Home / 79,945.02-119,854.26-30,019.55

Finding the Fourth Proportional to 79,945.02, 119,854.26 and 30,019.55

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Solution

The fourth proportional to 79,945.02, 119,854.26 and 30,019.55 is: 45,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945.02 : 119,854.26 = 30,019.55 : x
  2. Step 2: Convert to fraction form
    79,945.02/119,854.26 = 30,019.55/x
  3. Step 3: Cross multiply
    79,945.02x = 119,854.26 × 30,019.55
  4. Step 4: Simplify right side
    79,945.02x = 3,597,970,950.78
  5. Step 5: Solve for x
    x = 3,597,970,950.78/79,945.02
  6. Step 6: Final answer
    x = 45,005.57

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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.