Home / 31,494.52-47,223.60-15,667.35

Finding the Fourth Proportional to 31,494.52, 47,223.60 and 15,667.35

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Solution

The fourth proportional to 31,494.52, 47,223.60 and 15,667.35 is: 23,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,494.52 : 47,223.60 = 15,667.35 : x
  2. Step 2: Convert to fraction form
    31,494.52/47,223.60 = 15,667.35/x
  3. Step 3: Cross multiply
    31,494.52x = 47,223.60 × 15,667.35
  4. Step 4: Simplify right side
    31,494.52x = 739,868,669.46
  5. Step 5: Solve for x
    x = 739,868,669.46/31,494.52
  6. Step 6: Final answer
    x = 23,491.98

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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.