Home / 42,935.73-64,391.28-14,469.58

Finding the Fourth Proportional to 42,935.73, 64,391.28 and 14,469.58

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Solution

The fourth proportional to 42,935.73, 64,391.28 and 14,469.58 is: 21,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,935.73 : 64,391.28 = 14,469.58 : x
  2. Step 2: Convert to fraction form
    42,935.73/64,391.28 = 14,469.58/x
  3. Step 3: Cross multiply
    42,935.73x = 64,391.28 × 14,469.58
  4. Step 4: Simplify right side
    42,935.73x = 931,714,616.28
  5. Step 5: Solve for x
    x = 931,714,616.28/42,935.73
  6. Step 6: Final answer
    x = 21,700.22

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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.