Home / 40,680.50-56,132.40-25,562.45

Finding the Fourth Proportional to 40,680.50, 56,132.40 and 25,562.45

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Solution

The fourth proportional to 40,680.50, 56,132.40 and 25,562.45 is: 35,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.50 : 56,132.40 = 25,562.45 : x
  2. Step 2: Convert to fraction form
    40,680.50/56,132.40 = 25,562.45/x
  3. Step 3: Cross multiply
    40,680.50x = 56,132.40 × 25,562.45
  4. Step 4: Simplify right side
    40,680.50x = 1,434,881,668.38
  5. Step 5: Solve for x
    x = 1,434,881,668.38/40,680.50
  6. Step 6: Final answer
    x = 35,271.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.