Home / 39,819.16-59,258.68-38,490.56

Finding the Fourth Proportional to 39,819.16, 59,258.68 and 38,490.56

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Solution

The fourth proportional to 39,819.16, 59,258.68 and 38,490.56 is: 57,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.16 : 59,258.68 = 38,490.56 : x
  2. Step 2: Convert to fraction form
    39,819.16/59,258.68 = 38,490.56/x
  3. Step 3: Cross multiply
    39,819.16x = 59,258.68 × 38,490.56
  4. Step 4: Simplify right side
    39,819.16x = 2,280,899,778.06
  5. Step 5: Solve for x
    x = 2,280,899,778.06/39,819.16
  6. Step 6: Final answer
    x = 57,281.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.