Home / 42,001.56-62,980.46-19,808.97

Finding the Fourth Proportional to 42,001.56, 62,980.46 and 19,808.97

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Solution

The fourth proportional to 42,001.56, 62,980.46 and 19,808.97 is: 29,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.56 : 62,980.46 = 19,808.97 : x
  2. Step 2: Convert to fraction form
    42,001.56/62,980.46 = 19,808.97/x
  3. Step 3: Cross multiply
    42,001.56x = 62,980.46 × 19,808.97
  4. Step 4: Simplify right side
    42,001.56x = 1,247,578,368.90
  5. Step 5: Solve for x
    x = 1,247,578,368.90/42,001.56
  6. Step 6: Final answer
    x = 29,703.15

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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.