Home / 42,581.18-63,881.15-13,001.33

Finding the Fourth Proportional to 42,581.18, 63,881.15 and 13,001.33

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Solution

The fourth proportional to 42,581.18, 63,881.15 and 13,001.33 is: 19,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.18 : 63,881.15 = 13,001.33 : x
  2. Step 2: Convert to fraction form
    42,581.18/63,881.15 = 13,001.33/x
  3. Step 3: Cross multiply
    42,581.18x = 63,881.15 × 13,001.33
  4. Step 4: Simplify right side
    42,581.18x = 830,539,911.93
  5. Step 5: Solve for x
    x = 830,539,911.93/42,581.18
  6. Step 6: Final answer
    x = 19,504.86

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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.