Home / 52,428.90-78,654.27-17,371.30

Finding the Fourth Proportional to 52,428.90, 78,654.27 and 17,371.30

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Solution

The fourth proportional to 52,428.90, 78,654.27 and 17,371.30 is: 26,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.90 : 78,654.27 = 17,371.30 : x
  2. Step 2: Convert to fraction form
    52,428.90/78,654.27 = 17,371.30/x
  3. Step 3: Cross multiply
    52,428.90x = 78,654.27 × 17,371.30
  4. Step 4: Simplify right side
    52,428.90x = 1,366,326,920.45
  5. Step 5: Solve for x
    x = 1,366,326,920.45/52,428.90
  6. Step 6: Final answer
    x = 26,060.57

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1.5x scale

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.