Home / 51,141.92-70,570.85-28,480.05

Finding the Fourth Proportional to 51,141.92, 70,570.85 and 28,480.05

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Solution

The fourth proportional to 51,141.92, 70,570.85 and 28,480.05 is: 39,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141.92 : 70,570.85 = 28,480.05 : x
  2. Step 2: Convert to fraction form
    51,141.92/70,570.85 = 28,480.05/x
  3. Step 3: Cross multiply
    51,141.92x = 70,570.85 × 28,480.05
  4. Step 4: Simplify right side
    51,141.92x = 2,009,861,194.14
  5. Step 5: Solve for x
    x = 2,009,861,194.14/51,141.92
  6. Step 6: Final answer
    x = 39,299.69

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Half scale
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Double scale
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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.