Home / 42,865.71-64,301.65-14,785.35

Finding the Fourth Proportional to 42,865.71, 64,301.65 and 14,785.35

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Solution

The fourth proportional to 42,865.71, 64,301.65 and 14,785.35 is: 22,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,865.71 : 64,301.65 = 14,785.35 : x
  2. Step 2: Convert to fraction form
    42,865.71/64,301.65 = 14,785.35/x
  3. Step 3: Cross multiply
    42,865.71x = 64,301.65 × 14,785.35
  4. Step 4: Simplify right side
    42,865.71x = 950,722,400.83
  5. Step 5: Solve for x
    x = 950,722,400.83/42,865.71
  6. Step 6: Final answer
    x = 22,179.09

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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.