Home / 42,802.38-64,203.56-11,637.62

Finding the Fourth Proportional to 42,802.38, 64,203.56 and 11,637.62

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Solution

The fourth proportional to 42,802.38, 64,203.56 and 11,637.62 is: 17,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,802.38 : 64,203.56 = 11,637.62 : x
  2. Step 2: Convert to fraction form
    42,802.38/64,203.56 = 11,637.62/x
  3. Step 3: Cross multiply
    42,802.38x = 64,203.56 × 11,637.62
  4. Step 4: Simplify right side
    42,802.38x = 747,176,633.93
  5. Step 5: Solve for x
    x = 747,176,633.93/42,802.38
  6. Step 6: Final answer
    x = 17,456.43

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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.