Home / 55,397.96-83,094.18-20,334.86

Finding the Fourth Proportional to 55,397.96, 83,094.18 and 20,334.86

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Solution

The fourth proportional to 55,397.96, 83,094.18 and 20,334.86 is: 30,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.96 : 83,094.18 = 20,334.86 : x
  2. Step 2: Convert to fraction form
    55,397.96/83,094.18 = 20,334.86/x
  3. Step 3: Cross multiply
    55,397.96x = 83,094.18 × 20,334.86
  4. Step 4: Simplify right side
    55,397.96x = 1,689,708,517.11
  5. Step 5: Solve for x
    x = 1,689,708,517.11/55,397.96
  6. Step 6: Final answer
    x = 30,501.28

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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.