Home / 55,776.56-76,966.92-31,899.36

Finding the Fourth Proportional to 55,776.56, 76,966.92 and 31,899.36

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Solution

The fourth proportional to 55,776.56, 76,966.92 and 31,899.36 is: 44,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.56 : 76,966.92 = 31,899.36 : x
  2. Step 2: Convert to fraction form
    55,776.56/76,966.92 = 31,899.36/x
  3. Step 3: Cross multiply
    55,776.56x = 76,966.92 × 31,899.36
  4. Step 4: Simplify right side
    55,776.56x = 2,455,195,489.17
  5. Step 5: Solve for x
    x = 2,455,195,489.17/55,776.56
  6. Step 6: Final answer
    x = 44,018.41

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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.