Home / 55,769.34-76,959-31,898.64

Finding the Fourth Proportional to 55,769.34, 76,959 and 31,898.64

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Solution

The fourth proportional to 55,769.34, 76,959 and 31,898.64 is: 44,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.34 : 76,959 = 31,898.64 : x
  2. Step 2: Convert to fraction form
    55,769.34/76,959 = 31,898.64/x
  3. Step 3: Cross multiply
    55,769.34x = 76,959 × 31,898.64
  4. Step 4: Simplify right side
    55,769.34x = 2,454,887,435.76
  5. Step 5: Solve for x
    x = 2,454,887,435.76/55,769.34
  6. Step 6: Final answer
    x = 44,018.59

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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.