Home / 51,437.30-70,976.58-29,921.18

Finding the Fourth Proportional to 51,437.30, 70,976.58 and 29,921.18

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Solution

The fourth proportional to 51,437.30, 70,976.58 and 29,921.18 is: 41,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.30 : 70,976.58 = 29,921.18 : x
  2. Step 2: Convert to fraction form
    51,437.30/70,976.58 = 29,921.18/x
  3. Step 3: Cross multiply
    51,437.30x = 70,976.58 × 29,921.18
  4. Step 4: Simplify right side
    51,437.30x = 2,123,703,025.96
  5. Step 5: Solve for x
    x = 2,123,703,025.96/51,437.30
  6. Step 6: Final answer
    x = 41,287.22

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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.