Home / 55,727.56-83,591.06-19,730.72

Finding the Fourth Proportional to 55,727.56, 83,591.06 and 19,730.72

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Solution

The fourth proportional to 55,727.56, 83,591.06 and 19,730.72 is: 29,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,727.56 : 83,591.06 = 19,730.72 : x
  2. Step 2: Convert to fraction form
    55,727.56/83,591.06 = 19,730.72/x
  3. Step 3: Cross multiply
    55,727.56x = 83,591.06 × 19,730.72
  4. Step 4: Simplify right side
    55,727.56x = 1,649,311,799.36
  5. Step 5: Solve for x
    x = 1,649,311,799.36/55,727.56
  6. Step 6: Final answer
    x = 29,595.98

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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.