Home / 29,431.40-40,615.28-16,002.74

Finding the Fourth Proportional to 29,431.40, 40,615.28 and 16,002.74

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Solution

The fourth proportional to 29,431.40, 40,615.28 and 16,002.74 is: 22,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.40 : 40,615.28 = 16,002.74 : x
  2. Step 2: Convert to fraction form
    29,431.40/40,615.28 = 16,002.74/x
  3. Step 3: Cross multiply
    29,431.40x = 40,615.28 × 16,002.74
  4. Step 4: Simplify right side
    29,431.40x = 649,955,765.87
  5. Step 5: Solve for x
    x = 649,955,765.87/29,431.40
  6. Step 6: Final answer
    x = 22,083.75

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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.