Home / 29,115.47-40,180.78-16,372.67

Finding the Fourth Proportional to 29,115.47, 40,180.78 and 16,372.67

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Solution

The fourth proportional to 29,115.47, 40,180.78 and 16,372.67 is: 22,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.47 : 40,180.78 = 16,372.67 : x
  2. Step 2: Convert to fraction form
    29,115.47/40,180.78 = 16,372.67/x
  3. Step 3: Cross multiply
    29,115.47x = 40,180.78 × 16,372.67
  4. Step 4: Simplify right side
    29,115.47x = 657,866,470.84
  5. Step 5: Solve for x
    x = 657,866,470.84/29,115.47
  6. Step 6: Final answer
    x = 22,595.08

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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.