Home / 42,053.77-62,971.30-40,807.18

Finding the Fourth Proportional to 42,053.77, 62,971.30 and 40,807.18

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Solution

The fourth proportional to 42,053.77, 62,971.30 and 40,807.18 is: 61,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053.77 : 62,971.30 = 40,807.18 : x
  2. Step 2: Convert to fraction form
    42,053.77/62,971.30 = 40,807.18/x
  3. Step 3: Cross multiply
    42,053.77x = 62,971.30 × 40,807.18
  4. Step 4: Simplify right side
    42,053.77x = 2,569,681,173.93
  5. Step 5: Solve for x
    x = 2,569,681,173.93/42,053.77
  6. Step 6: Final answer
    x = 61,104.66

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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.