Home / 42,250.80-63,376.20-25,629.60

Finding the Fourth Proportional to 42,250.80, 63,376.20 and 25,629.60

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Solution

The fourth proportional to 42,250.80, 63,376.20 and 25,629.60 is: 38,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,250.80 : 63,376.20 = 25,629.60 : x
  2. Step 2: Convert to fraction form
    42,250.80/63,376.20 = 25,629.60/x
  3. Step 3: Cross multiply
    42,250.80x = 63,376.20 × 25,629.60
  4. Step 4: Simplify right side
    42,250.80x = 1,624,306,655.52
  5. Step 5: Solve for x
    x = 1,624,306,655.52/42,250.80
  6. Step 6: Final answer
    x = 38,444.40

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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.