Home / 39,785.16-59,665.08-13,483.74

Finding the Fourth Proportional to 39,785.16, 59,665.08 and 13,483.74

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Solution

The fourth proportional to 39,785.16, 59,665.08 and 13,483.74 is: 20,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,785.16 : 59,665.08 = 13,483.74 : x
  2. Step 2: Convert to fraction form
    39,785.16/59,665.08 = 13,483.74/x
  3. Step 3: Cross multiply
    39,785.16x = 59,665.08 × 13,483.74
  4. Step 4: Simplify right side
    39,785.16x = 804,508,425.80
  5. Step 5: Solve for x
    x = 804,508,425.80/39,785.16
  6. Step 6: Final answer
    x = 20,221.32

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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.