Home / 31,992.39-47,988.59-16,400.07

Finding the Fourth Proportional to 31,992.39, 47,988.59 and 16,400.07

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Solution

The fourth proportional to 31,992.39, 47,988.59 and 16,400.07 is: 24,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.39 : 47,988.59 = 16,400.07 : x
  2. Step 2: Convert to fraction form
    31,992.39/47,988.59 = 16,400.07/x
  3. Step 3: Cross multiply
    31,992.39x = 47,988.59 × 16,400.07
  4. Step 4: Simplify right side
    31,992.39x = 787,016,153.20
  5. Step 5: Solve for x
    x = 787,016,153.20/31,992.39
  6. Step 6: Final answer
    x = 24,600.11

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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.