Home / 29,312.89-43,969.37-7,126.11

Finding the Fourth Proportional to 29,312.89, 43,969.37 and 7,126.11

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Solution

The fourth proportional to 29,312.89, 43,969.37 and 7,126.11 is: 10,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.89 : 43,969.37 = 7,126.11 : x
  2. Step 2: Convert to fraction form
    29,312.89/43,969.37 = 7,126.11/x
  3. Step 3: Cross multiply
    29,312.89x = 43,969.37 × 7,126.11
  4. Step 4: Simplify right side
    29,312.89x = 313,330,531.62
  5. Step 5: Solve for x
    x = 313,330,531.62/29,312.89
  6. Step 6: Final answer
    x = 10,689.17

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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.