Home / 55,411.56-83,150.52-20,354.76

Finding the Fourth Proportional to 55,411.56, 83,150.52 and 20,354.76

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Solution

The fourth proportional to 55,411.56, 83,150.52 and 20,354.76 is: 30,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.56 : 83,150.52 = 20,354.76 : x
  2. Step 2: Convert to fraction form
    55,411.56/83,150.52 = 20,354.76/x
  3. Step 3: Cross multiply
    55,411.56x = 83,150.52 × 20,354.76
  4. Step 4: Simplify right side
    55,411.56x = 1,692,508,878.48
  5. Step 5: Solve for x
    x = 1,692,508,878.48/55,411.56
  6. Step 6: Final answer
    x = 30,544.33

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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.