Home / 31,470.00-47,188.76-9,280.49

Finding the Fourth Proportional to 31,470.00, 47,188.76 and 9,280.49

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Solution

The fourth proportional to 31,470.00, 47,188.76 and 9,280.49 is: 13,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.00 : 47,188.76 = 9,280.49 : x
  2. Step 2: Convert to fraction form
    31,470.00/47,188.76 = 9,280.49/x
  3. Step 3: Cross multiply
    31,470.00x = 47,188.76 × 9,280.49
  4. Step 4: Simplify right side
    31,470.00x = 437,934,850.59
  5. Step 5: Solve for x
    x = 437,934,850.59/31,470.00
  6. Step 6: Final answer
    x = 13,915.95

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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.