Home / 34,282.32-47,301.92-21,699.76

Finding the Fourth Proportional to 34,282.32, 47,301.92 and 21,699.76

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Solution

The fourth proportional to 34,282.32, 47,301.92 and 21,699.76 is: 29,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,282.32 : 47,301.92 = 21,699.76 : x
  2. Step 2: Convert to fraction form
    34,282.32/47,301.92 = 21,699.76/x
  3. Step 3: Cross multiply
    34,282.32x = 47,301.92 × 21,699.76
  4. Step 4: Simplify right side
    34,282.32x = 1,026,440,311.54
  5. Step 5: Solve for x
    x = 1,026,440,311.54/34,282.32
  6. Step 6: Final answer
    x = 29,940.81

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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.