Home / 42,195.79-63,307.54-17,256.81

Finding the Fourth Proportional to 42,195.79, 63,307.54 and 17,256.81

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Solution

The fourth proportional to 42,195.79, 63,307.54 and 17,256.81 is: 25,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.79 : 63,307.54 = 17,256.81 : x
  2. Step 2: Convert to fraction form
    42,195.79/63,307.54 = 17,256.81/x
  3. Step 3: Cross multiply
    42,195.79x = 63,307.54 × 17,256.81
  4. Step 4: Simplify right side
    42,195.79x = 1,092,486,146.21
  5. Step 5: Solve for x
    x = 1,092,486,146.21/42,195.79
  6. Step 6: Final answer
    x = 25,890.88

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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.