Home / 55,581.68-76,746.95-51,331.18

Finding the Fourth Proportional to 55,581.68, 76,746.95 and 51,331.18

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Solution

The fourth proportional to 55,581.68, 76,746.95 and 51,331.18 is: 70,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.68 : 76,746.95 = 51,331.18 : x
  2. Step 2: Convert to fraction form
    55,581.68/76,746.95 = 51,331.18/x
  3. Step 3: Cross multiply
    55,581.68x = 76,746.95 × 51,331.18
  4. Step 4: Simplify right side
    55,581.68x = 3,939,511,504.90
  5. Step 5: Solve for x
    x = 3,939,511,504.90/55,581.68
  6. Step 6: Final answer
    x = 70,877.88

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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.