Home / 42,440.40-63,725.40-29,350.80

Finding the Fourth Proportional to 42,440.40, 63,725.40 and 29,350.80

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Solution

The fourth proportional to 42,440.40, 63,725.40 and 29,350.80 is: 44,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,440.40 : 63,725.40 = 29,350.80 : x
  2. Step 2: Convert to fraction form
    42,440.40/63,725.40 = 29,350.80/x
  3. Step 3: Cross multiply
    42,440.40x = 63,725.40 × 29,350.80
  4. Step 4: Simplify right side
    42,440.40x = 1,870,391,470.32
  5. Step 5: Solve for x
    x = 1,870,391,470.32/42,440.40
  6. Step 6: Final answer
    x = 44,071.01

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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.