Home / 40,451.55-60,686.08-15,491.60

Finding the Fourth Proportional to 40,451.55, 60,686.08 and 15,491.60

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Solution

The fourth proportional to 40,451.55, 60,686.08 and 15,491.60 is: 23,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.55 : 60,686.08 = 15,491.60 : x
  2. Step 2: Convert to fraction form
    40,451.55/60,686.08 = 15,491.60/x
  3. Step 3: Cross multiply
    40,451.55x = 60,686.08 × 15,491.60
  4. Step 4: Simplify right side
    40,451.55x = 940,124,362.34
  5. Step 5: Solve for x
    x = 940,124,362.34/40,451.55
  6. Step 6: Final answer
    x = 23,240.75

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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.