Home / 55,490.68-76,577.46-30,340.18

Finding the Fourth Proportional to 55,490.68, 76,577.46 and 30,340.18

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Solution

The fourth proportional to 55,490.68, 76,577.46 and 30,340.18 is: 41,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.68 : 76,577.46 = 30,340.18 : x
  2. Step 2: Convert to fraction form
    55,490.68/76,577.46 = 30,340.18/x
  3. Step 3: Cross multiply
    55,490.68x = 76,577.46 × 30,340.18
  4. Step 4: Simplify right side
    55,490.68x = 2,323,373,920.34
  5. Step 5: Solve for x
    x = 2,323,373,920.34/55,490.68
  6. Step 6: Final answer
    x = 41,869.62

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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.