Home / 32,177.28-48,272.80-9,990.16

Finding the Fourth Proportional to 32,177.28, 48,272.80 and 9,990.16

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Solution

The fourth proportional to 32,177.28, 48,272.80 and 9,990.16 is: 14,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,177.28 : 48,272.80 = 9,990.16 : x
  2. Step 2: Convert to fraction form
    32,177.28/48,272.80 = 9,990.16/x
  3. Step 3: Cross multiply
    32,177.28x = 48,272.80 × 9,990.16
  4. Step 4: Simplify right side
    32,177.28x = 482,252,995.65
  5. Step 5: Solve for x
    x = 482,252,995.65/32,177.28
  6. Step 6: Final answer
    x = 14,987.38

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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.