Home / 55,947.46-83,778.63-54,285.34

Finding the Fourth Proportional to 55,947.46, 83,778.63 and 54,285.34

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Solution

The fourth proportional to 55,947.46, 83,778.63 and 54,285.34 is: 81,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.46 : 83,778.63 = 54,285.34 : x
  2. Step 2: Convert to fraction form
    55,947.46/83,778.63 = 54,285.34/x
  3. Step 3: Cross multiply
    55,947.46x = 83,778.63 × 54,285.34
  4. Step 4: Simplify right side
    55,947.46x = 4,547,951,414.28
  5. Step 5: Solve for x
    x = 4,547,951,414.28/55,947.46
  6. Step 6: Final answer
    x = 81,289.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.