Home / 31,454.48-47,210.88-15,883.04

Finding the Fourth Proportional to 31,454.48, 47,210.88 and 15,883.04

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Solution

The fourth proportional to 31,454.48, 47,210.88 and 15,883.04 is: 23,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.48 : 47,210.88 = 15,883.04 : x
  2. Step 2: Convert to fraction form
    31,454.48/47,210.88 = 15,883.04/x
  3. Step 3: Cross multiply
    31,454.48x = 47,210.88 × 15,883.04
  4. Step 4: Simplify right side
    31,454.48x = 749,852,295.48
  5. Step 5: Solve for x
    x = 749,852,295.48/31,454.48
  6. Step 6: Final answer
    x = 23,839.28

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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.