Home / 29,329.53-40,475.04-15,900.76

Finding the Fourth Proportional to 29,329.53, 40,475.04 and 15,900.76

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Solution

The fourth proportional to 29,329.53, 40,475.04 and 15,900.76 is: 21,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.53 : 40,475.04 = 15,900.76 : x
  2. Step 2: Convert to fraction form
    29,329.53/40,475.04 = 15,900.76/x
  3. Step 3: Cross multiply
    29,329.53x = 40,475.04 × 15,900.76
  4. Step 4: Simplify right side
    29,329.53x = 643,583,694.66
  5. Step 5: Solve for x
    x = 643,583,694.66/29,329.53
  6. Step 6: Final answer
    x = 21,943.20

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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.