Home / 30,186.95-45,004.86-29,419.65

Finding the Fourth Proportional to 30,186.95, 45,004.86 and 29,419.65

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Solution

The fourth proportional to 30,186.95, 45,004.86 and 29,419.65 is: 43,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.95 : 45,004.86 = 29,419.65 : x
  2. Step 2: Convert to fraction form
    30,186.95/45,004.86 = 29,419.65/x
  3. Step 3: Cross multiply
    30,186.95x = 45,004.86 × 29,419.65
  4. Step 4: Simplify right side
    30,186.95x = 1,324,027,229.50
  5. Step 5: Solve for x
    x = 1,324,027,229.50/30,186.95
  6. Step 6: Final answer
    x = 43,860.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.