Home / 55,156.68-82,721.35-15,714.14

Finding the Fourth Proportional to 55,156.68, 82,721.35 and 15,714.14

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Solution

The fourth proportional to 55,156.68, 82,721.35 and 15,714.14 is: 23,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.68 : 82,721.35 = 15,714.14 : x
  2. Step 2: Convert to fraction form
    55,156.68/82,721.35 = 15,714.14/x
  3. Step 3: Cross multiply
    55,156.68x = 82,721.35 × 15,714.14
  4. Step 4: Simplify right side
    55,156.68x = 1,299,894,480.92
  5. Step 5: Solve for x
    x = 1,299,894,480.92/55,156.68
  6. Step 6: Final answer
    x = 23,567.31

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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.