Home / 55,612.76-83,209.86-39,005.20

Finding the Fourth Proportional to 55,612.76, 83,209.86 and 39,005.20

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Solution

The fourth proportional to 55,612.76, 83,209.86 and 39,005.20 is: 58,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.76 : 83,209.86 = 39,005.20 : x
  2. Step 2: Convert to fraction form
    55,612.76/83,209.86 = 39,005.20/x
  3. Step 3: Cross multiply
    55,612.76x = 83,209.86 × 39,005.20
  4. Step 4: Simplify right side
    55,612.76x = 3,245,617,231.27
  5. Step 5: Solve for x
    x = 3,245,617,231.27/55,612.76
  6. Step 6: Final answer
    x = 58,361.02

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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.