Home / 54,423.15-75,099.86-30,545.25

Finding the Fourth Proportional to 54,423.15, 75,099.86 and 30,545.25

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Solution

The fourth proportional to 54,423.15, 75,099.86 and 30,545.25 is: 42,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.15 : 75,099.86 = 30,545.25 : x
  2. Step 2: Convert to fraction form
    54,423.15/75,099.86 = 30,545.25/x
  3. Step 3: Cross multiply
    54,423.15x = 75,099.86 × 30,545.25
  4. Step 4: Simplify right side
    54,423.15x = 2,293,943,470.44
  5. Step 5: Solve for x
    x = 2,293,943,470.44/54,423.15
  6. Step 6: Final answer
    x = 42,150.15

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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.