Home / 48,280.42-66,624.20-28,140.58

Finding the Fourth Proportional to 48,280.42, 66,624.20 and 28,140.58

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Solution

The fourth proportional to 48,280.42, 66,624.20 and 28,140.58 is: 38,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.42 : 66,624.20 = 28,140.58 : x
  2. Step 2: Convert to fraction form
    48,280.42/66,624.20 = 28,140.58/x
  3. Step 3: Cross multiply
    48,280.42x = 66,624.20 × 28,140.58
  4. Step 4: Simplify right side
    48,280.42x = 1,874,843,296.92
  5. Step 5: Solve for x
    x = 1,874,843,296.92/48,280.42
  6. Step 6: Final answer
    x = 38,832.38

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Half scale
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Double scale
Find fourth proportional to 48,281.42, 66,625.58 and 28,141.58
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.