Home / 55,487.12-76,572.60-30,337.04

Finding the Fourth Proportional to 55,487.12, 76,572.60 and 30,337.04

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Solution

The fourth proportional to 55,487.12, 76,572.60 and 30,337.04 is: 41,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487.12 : 76,572.60 = 30,337.04 : x
  2. Step 2: Convert to fraction form
    55,487.12/76,572.60 = 30,337.04/x
  3. Step 3: Cross multiply
    55,487.12x = 76,572.60 × 30,337.04
  4. Step 4: Simplify right side
    55,487.12x = 2,322,986,029.10
  5. Step 5: Solve for x
    x = 2,322,986,029.10/55,487.12
  6. Step 6: Final answer
    x = 41,865.32

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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.