Home / 42,209.24-63,317.19-14,129.45

Finding the Fourth Proportional to 42,209.24, 63,317.19 and 14,129.45

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Solution

The fourth proportional to 42,209.24, 63,317.19 and 14,129.45 is: 21,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.24 : 63,317.19 = 14,129.45 : x
  2. Step 2: Convert to fraction form
    42,209.24/63,317.19 = 14,129.45/x
  3. Step 3: Cross multiply
    42,209.24x = 63,317.19 × 14,129.45
  4. Step 4: Simplify right side
    42,209.24x = 894,637,070.25
  5. Step 5: Solve for x
    x = 894,637,070.25/42,209.24
  6. Step 6: Final answer
    x = 21,195.29

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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.