Home / 31,443.59-47,165.39-21,552.89

Finding the Fourth Proportional to 31,443.59, 47,165.39 and 21,552.89

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Solution

The fourth proportional to 31,443.59, 47,165.39 and 21,552.89 is: 32,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.59 : 47,165.39 = 21,552.89 : x
  2. Step 2: Convert to fraction form
    31,443.59/47,165.39 = 21,552.89/x
  3. Step 3: Cross multiply
    31,443.59x = 47,165.39 × 21,552.89
  4. Step 4: Simplify right side
    31,443.59x = 1,016,550,199.71
  5. Step 5: Solve for x
    x = 1,016,550,199.71/31,443.59
  6. Step 6: Final answer
    x = 32,329.33

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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.