Home / 31,521.39-47,292.89-10,759.47

Finding the Fourth Proportional to 31,521.39, 47,292.89 and 10,759.47

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Solution

The fourth proportional to 31,521.39, 47,292.89 and 10,759.47 is: 16,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.39 : 47,292.89 = 10,759.47 : x
  2. Step 2: Convert to fraction form
    31,521.39/47,292.89 = 10,759.47/x
  3. Step 3: Cross multiply
    31,521.39x = 47,292.89 × 10,759.47
  4. Step 4: Simplify right side
    31,521.39x = 508,846,431.17
  5. Step 5: Solve for x
    x = 508,846,431.17/31,521.39
  6. Step 6: Final answer
    x = 16,142.89

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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.