Home / 40,953.32-61,416.92-15,987.30

Finding the Fourth Proportional to 40,953.32, 61,416.92 and 15,987.30

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Solution

The fourth proportional to 40,953.32, 61,416.92 and 15,987.30 is: 23,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,953.32 : 61,416.92 = 15,987.30 : x
  2. Step 2: Convert to fraction form
    40,953.32/61,416.92 = 15,987.30/x
  3. Step 3: Cross multiply
    40,953.32x = 61,416.92 × 15,987.30
  4. Step 4: Simplify right side
    40,953.32x = 981,890,725.12
  5. Step 5: Solve for x
    x = 981,890,725.12/40,953.32
  6. Step 6: Final answer
    x = 23,975.85

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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.