Home / 34,126.29-47,123.30-21,400.79

Finding the Fourth Proportional to 34,126.29, 47,123.30 and 21,400.79

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Solution

The fourth proportional to 34,126.29, 47,123.30 and 21,400.79 is: 29,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,126.29 : 47,123.30 = 21,400.79 : x
  2. Step 2: Convert to fraction form
    34,126.29/47,123.30 = 21,400.79/x
  3. Step 3: Cross multiply
    34,126.29x = 47,123.30 × 21,400.79
  4. Step 4: Simplify right side
    34,126.29x = 1,008,475,665.29
  5. Step 5: Solve for x
    x = 1,008,475,665.29/34,126.29
  6. Step 6: Final answer
    x = 29,551.28

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1.5x scale

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.