Home / 55,612.05-76,744.25-30,117.83

Finding the Fourth Proportional to 55,612.05, 76,744.25 and 30,117.83

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Solution

The fourth proportional to 55,612.05, 76,744.25 and 30,117.83 is: 41,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.05 : 76,744.25 = 30,117.83 : x
  2. Step 2: Convert to fraction form
    55,612.05/76,744.25 = 30,117.83/x
  3. Step 3: Cross multiply
    55,612.05x = 76,744.25 × 30,117.83
  4. Step 4: Simplify right side
    55,612.05x = 2,311,370,360.59
  5. Step 5: Solve for x
    x = 2,311,370,360.59/55,612.05
  6. Step 6: Final answer
    x = 41,562.40

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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.