Home / 29,312.20-43,968.36-7,125.61

Finding the Fourth Proportional to 29,312.20, 43,968.36 and 7,125.61

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Solution

The fourth proportional to 29,312.20, 43,968.36 and 7,125.61 is: 10,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.20 : 43,968.36 = 7,125.61 : x
  2. Step 2: Convert to fraction form
    29,312.20/43,968.36 = 7,125.61/x
  3. Step 3: Cross multiply
    29,312.20x = 43,968.36 × 7,125.61
  4. Step 4: Simplify right side
    29,312.20x = 313,301,385.70
  5. Step 5: Solve for x
    x = 313,301,385.70/29,312.20
  6. Step 6: Final answer
    x = 10,688.43

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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.