Home / 34,691.52-47,879.96-21,270.16

Finding the Fourth Proportional to 34,691.52, 47,879.96 and 21,270.16

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Solution

The fourth proportional to 34,691.52, 47,879.96 and 21,270.16 is: 29,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.52 : 47,879.96 = 21,270.16 : x
  2. Step 2: Convert to fraction form
    34,691.52/47,879.96 = 21,270.16/x
  3. Step 3: Cross multiply
    34,691.52x = 47,879.96 × 21,270.16
  4. Step 4: Simplify right side
    34,691.52x = 1,018,414,409.99
  5. Step 5: Solve for x
    x = 1,018,414,409.99/34,691.52
  6. Step 6: Final answer
    x = 29,356.29

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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.