Home / 29,330.40-43,995.18-7,143.78

Finding the Fourth Proportional to 29,330.40, 43,995.18 and 7,143.78

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Solution

The fourth proportional to 29,330.40, 43,995.18 and 7,143.78 is: 10,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.40 : 43,995.18 = 7,143.78 : x
  2. Step 2: Convert to fraction form
    29,330.40/43,995.18 = 7,143.78/x
  3. Step 3: Cross multiply
    29,330.40x = 43,995.18 × 7,143.78
  4. Step 4: Simplify right side
    29,330.40x = 314,291,886.98
  5. Step 5: Solve for x
    x = 314,291,886.98/29,330.40
  6. Step 6: Final answer
    x = 10,715.57

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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.