Home / 34,278.32-47,296.40-21,695.76

Finding the Fourth Proportional to 34,278.32, 47,296.40 and 21,695.76

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Solution

The fourth proportional to 34,278.32, 47,296.40 and 21,695.76 is: 29,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.32 : 47,296.40 = 21,695.76 : x
  2. Step 2: Convert to fraction form
    34,278.32/47,296.40 = 21,695.76/x
  3. Step 3: Cross multiply
    34,278.32x = 47,296.40 × 21,695.76
  4. Step 4: Simplify right side
    34,278.32x = 1,026,131,343.26
  5. Step 5: Solve for x
    x = 1,026,131,343.26/34,278.32
  6. Step 6: Final answer
    x = 29,935.29

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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.