Home / 42,063.90-63,127.13-19,884.08

Finding the Fourth Proportional to 42,063.90, 63,127.13 and 19,884.08

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Solution

The fourth proportional to 42,063.90, 63,127.13 and 19,884.08 is: 29,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.90 : 63,127.13 = 19,884.08 : x
  2. Step 2: Convert to fraction form
    42,063.90/63,127.13 = 19,884.08/x
  3. Step 3: Cross multiply
    42,063.90x = 63,127.13 × 19,884.08
  4. Step 4: Simplify right side
    42,063.90x = 1,255,224,488.03
  5. Step 5: Solve for x
    x = 1,255,224,488.03/42,063.90
  6. Step 6: Final answer
    x = 29,840.90

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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.