Home / 52,587.97-78,882.16-13,145.13

Finding the Fourth Proportional to 52,587.97, 78,882.16 and 13,145.13

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Solution

The fourth proportional to 52,587.97, 78,882.16 and 13,145.13 is: 19,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,587.97 : 78,882.16 = 13,145.13 : x
  2. Step 2: Convert to fraction form
    52,587.97/78,882.16 = 13,145.13/x
  3. Step 3: Cross multiply
    52,587.97x = 78,882.16 × 13,145.13
  4. Step 4: Simplify right side
    52,587.97x = 1,036,916,247.88
  5. Step 5: Solve for x
    x = 1,036,916,247.88/52,587.97
  6. Step 6: Final answer
    x = 19,717.75

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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.