Home / 55,697.12-83,397.88-43,568.40

Finding the Fourth Proportional to 55,697.12, 83,397.88 and 43,568.40

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Solution

The fourth proportional to 55,697.12, 83,397.88 and 43,568.40 is: 65,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,697.12 : 83,397.88 = 43,568.40 : x
  2. Step 2: Convert to fraction form
    55,697.12/83,397.88 = 43,568.40/x
  3. Step 3: Cross multiply
    55,697.12x = 83,397.88 × 43,568.40
  4. Step 4: Simplify right side
    55,697.12x = 3,633,512,194.99
  5. Step 5: Solve for x
    x = 3,633,512,194.99/55,697.12
  6. Step 6: Final answer
    x = 65,236.99

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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.