Home / 31,480.30-47,188.89-14,625.15

Finding the Fourth Proportional to 31,480.30, 47,188.89 and 14,625.15

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Solution

The fourth proportional to 31,480.30, 47,188.89 and 14,625.15 is: 21,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.30 : 47,188.89 = 14,625.15 : x
  2. Step 2: Convert to fraction form
    31,480.30/47,188.89 = 14,625.15/x
  3. Step 3: Cross multiply
    31,480.30x = 47,188.89 × 14,625.15
  4. Step 4: Simplify right side
    31,480.30x = 690,144,570.91
  5. Step 5: Solve for x
    x = 690,144,570.91/31,480.30
  6. Step 6: Final answer
    x = 21,923.07

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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.