Home / 42,648.11-63,972.16-11,483.36

Finding the Fourth Proportional to 42,648.11, 63,972.16 and 11,483.36

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Solution

The fourth proportional to 42,648.11, 63,972.16 and 11,483.36 is: 17,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,648.11 : 63,972.16 = 11,483.36 : x
  2. Step 2: Convert to fraction form
    42,648.11/63,972.16 = 11,483.36/x
  3. Step 3: Cross multiply
    42,648.11x = 63,972.16 × 11,483.36
  4. Step 4: Simplify right side
    42,648.11x = 734,615,343.26
  5. Step 5: Solve for x
    x = 734,615,343.26/42,648.11
  6. Step 6: Final answer
    x = 17,225.04

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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.