Home / 57,948.16-86,880.96-20,500.48

Finding the Fourth Proportional to 57,948.16, 86,880.96 and 20,500.48

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Solution

The fourth proportional to 57,948.16, 86,880.96 and 20,500.48 is: 30,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,948.16 : 86,880.96 = 20,500.48 : x
  2. Step 2: Convert to fraction form
    57,948.16/86,880.96 = 20,500.48/x
  3. Step 3: Cross multiply
    57,948.16x = 86,880.96 × 20,500.48
  4. Step 4: Simplify right side
    57,948.16x = 1,781,101,382.86
  5. Step 5: Solve for x
    x = 1,781,101,382.86/57,948.16
  6. Step 6: Final answer
    x = 30,736.12

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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.