Home / 31,630.38-47,412.51-14,970.57

Finding the Fourth Proportional to 31,630.38, 47,412.51 and 14,970.57

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Solution

The fourth proportional to 31,630.38, 47,412.51 and 14,970.57 is: 22,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630.38 : 47,412.51 = 14,970.57 : x
  2. Step 2: Convert to fraction form
    31,630.38/47,412.51 = 14,970.57/x
  3. Step 3: Cross multiply
    31,630.38x = 47,412.51 × 14,970.57
  4. Step 4: Simplify right side
    31,630.38x = 709,792,299.83
  5. Step 5: Solve for x
    x = 709,792,299.83/31,630.38
  6. Step 6: Final answer
    x = 22,440.21

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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.