Home / 51,694.79-71,330.22-30,471.17

Finding the Fourth Proportional to 51,694.79, 71,330.22 and 30,471.17

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Solution

The fourth proportional to 51,694.79, 71,330.22 and 30,471.17 is: 42,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,694.79 : 71,330.22 = 30,471.17 : x
  2. Step 2: Convert to fraction form
    51,694.79/71,330.22 = 30,471.17/x
  3. Step 3: Cross multiply
    51,694.79x = 71,330.22 × 30,471.17
  4. Step 4: Simplify right side
    51,694.79x = 2,173,514,903.11
  5. Step 5: Solve for x
    x = 2,173,514,903.11/51,694.79
  6. Step 6: Final answer
    x = 42,045.15

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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.