Home / 40,316.80-60,475.20-25,542.40

Finding the Fourth Proportional to 40,316.80, 60,475.20 and 25,542.40

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Solution

The fourth proportional to 40,316.80, 60,475.20 and 25,542.40 is: 38,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,316.80 : 60,475.20 = 25,542.40 : x
  2. Step 2: Convert to fraction form
    40,316.80/60,475.20 = 25,542.40/x
  3. Step 3: Cross multiply
    40,316.80x = 60,475.20 × 25,542.40
  4. Step 4: Simplify right side
    40,316.80x = 1,544,681,748.48
  5. Step 5: Solve for x
    x = 1,544,681,748.48/40,316.80
  6. Step 6: Final answer
    x = 38,313.60

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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.