Home / 42,590.13-63,891.36-13,004.13

Finding the Fourth Proportional to 42,590.13, 63,891.36 and 13,004.13

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Solution

The fourth proportional to 42,590.13, 63,891.36 and 13,004.13 is: 19,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.13 : 63,891.36 = 13,004.13 : x
  2. Step 2: Convert to fraction form
    42,590.13/63,891.36 = 13,004.13/x
  3. Step 3: Cross multiply
    42,590.13x = 63,891.36 × 13,004.13
  4. Step 4: Simplify right side
    42,590.13x = 830,851,551.32
  5. Step 5: Solve for x
    x = 830,851,551.32/42,590.13
  6. Step 6: Final answer
    x = 19,508.08

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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.