Home / 55,500.79-76,589.53-30,349.75

Finding the Fourth Proportional to 55,500.79, 76,589.53 and 30,349.75

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Solution

The fourth proportional to 55,500.79, 76,589.53 and 30,349.75 is: 41,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,500.79 : 76,589.53 = 30,349.75 : x
  2. Step 2: Convert to fraction form
    55,500.79/76,589.53 = 30,349.75/x
  3. Step 3: Cross multiply
    55,500.79x = 76,589.53 × 30,349.75
  4. Step 4: Simplify right side
    55,500.79x = 2,324,473,088.12
  5. Step 5: Solve for x
    x = 2,324,473,088.12/55,500.79
  6. Step 6: Final answer
    x = 41,881.80

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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.