Home / 42,030.76-63,055.50-18,342.14

Finding the Fourth Proportional to 42,030.76, 63,055.50 and 18,342.14

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Solution

The fourth proportional to 42,030.76, 63,055.50 and 18,342.14 is: 27,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,030.76 : 63,055.50 = 18,342.14 : x
  2. Step 2: Convert to fraction form
    42,030.76/63,055.50 = 18,342.14/x
  3. Step 3: Cross multiply
    42,030.76x = 63,055.50 × 18,342.14
  4. Step 4: Simplify right side
    42,030.76x = 1,156,572,808.77
  5. Step 5: Solve for x
    x = 1,156,572,808.77/42,030.76
  6. Step 6: Final answer
    x = 27,517.29

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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.