Home / 42,351.30-63,532.81-14,279.39

Finding the Fourth Proportional to 42,351.30, 63,532.81 and 14,279.39

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Solution

The fourth proportional to 42,351.30, 63,532.81 and 14,279.39 is: 21,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,351.30 : 63,532.81 = 14,279.39 : x
  2. Step 2: Convert to fraction form
    42,351.30/63,532.81 = 14,279.39/x
  3. Step 3: Cross multiply
    42,351.30x = 63,532.81 × 14,279.39
  4. Step 4: Simplify right side
    42,351.30x = 907,209,710.22
  5. Step 5: Solve for x
    x = 907,209,710.22/42,351.30
  6. Step 6: Final answer
    x = 21,421.06

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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.