Home / 29,313.39-43,970.12-7,126.61

Finding the Fourth Proportional to 29,313.39, 43,970.12 and 7,126.61

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Solution

The fourth proportional to 29,313.39, 43,970.12 and 7,126.61 is: 10,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.39 : 43,970.12 = 7,126.61 : x
  2. Step 2: Convert to fraction form
    29,313.39/43,970.12 = 7,126.61/x
  3. Step 3: Cross multiply
    29,313.39x = 43,970.12 × 7,126.61
  4. Step 4: Simplify right side
    29,313.39x = 313,357,861.26
  5. Step 5: Solve for x
    x = 313,357,861.26/29,313.39
  6. Step 6: Final answer
    x = 10,689.92

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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.