Home / 42,654.63-63,954.54-17,711.90

Finding the Fourth Proportional to 42,654.63, 63,954.54 and 17,711.90

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Solution

The fourth proportional to 42,654.63, 63,954.54 and 17,711.90 is: 26,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,654.63 : 63,954.54 = 17,711.90 : x
  2. Step 2: Convert to fraction form
    42,654.63/63,954.54 = 17,711.90/x
  3. Step 3: Cross multiply
    42,654.63x = 63,954.54 × 17,711.90
  4. Step 4: Simplify right side
    42,654.63x = 1,132,756,417.03
  5. Step 5: Solve for x
    x = 1,132,756,417.03/42,654.63
  6. Step 6: Final answer
    x = 26,556.47

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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.