Home / 42,462.18-63,689.36-14,379.01

Finding the Fourth Proportional to 42,462.18, 63,689.36 and 14,379.01

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Solution

The fourth proportional to 42,462.18, 63,689.36 and 14,379.01 is: 21,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,462.18 : 63,689.36 = 14,379.01 : x
  2. Step 2: Convert to fraction form
    42,462.18/63,689.36 = 14,379.01/x
  3. Step 3: Cross multiply
    42,462.18x = 63,689.36 × 14,379.01
  4. Step 4: Simplify right side
    42,462.18x = 915,789,713.22
  5. Step 5: Solve for x
    x = 915,789,713.22/42,462.18
  6. Step 6: Final answer
    x = 21,567.19

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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.