Home / 31,989.39-47,984.09-16,397.07

Finding the Fourth Proportional to 31,989.39, 47,984.09 and 16,397.07

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Solution

The fourth proportional to 31,989.39, 47,984.09 and 16,397.07 is: 24,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.39 : 47,984.09 = 16,397.07 : x
  2. Step 2: Convert to fraction form
    31,989.39/47,984.09 = 16,397.07/x
  3. Step 3: Cross multiply
    31,989.39x = 47,984.09 × 16,397.07
  4. Step 4: Simplify right side
    31,989.39x = 786,798,482.62
  5. Step 5: Solve for x
    x = 786,798,482.62/31,989.39
  6. Step 6: Final answer
    x = 24,595.61

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Similar ratio
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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.