Home / 48,164.40-72,214.20-21,855.60

Finding the Fourth Proportional to 48,164.40, 72,214.20 and 21,855.60

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Solution

The fourth proportional to 48,164.40, 72,214.20 and 21,855.60 is: 32,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,164.40 : 72,214.20 = 21,855.60 : x
  2. Step 2: Convert to fraction form
    48,164.40/72,214.20 = 21,855.60/x
  3. Step 3: Cross multiply
    48,164.40x = 72,214.20 × 21,855.60
  4. Step 4: Simplify right side
    48,164.40x = 1,578,284,669.52
  5. Step 5: Solve for x
    x = 1,578,284,669.52/48,164.40
  6. Step 6: Final answer
    x = 32,768.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.