Home / 40,851.11-61,245.55-21,117.08

Finding the Fourth Proportional to 40,851.11, 61,245.55 and 21,117.08

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Solution

The fourth proportional to 40,851.11, 61,245.55 and 21,117.08 is: 31,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,851.11 : 61,245.55 = 21,117.08 : x
  2. Step 2: Convert to fraction form
    40,851.11/61,245.55 = 21,117.08/x
  3. Step 3: Cross multiply
    40,851.11x = 61,245.55 × 21,117.08
  4. Step 4: Simplify right side
    40,851.11x = 1,293,327,178.99
  5. Step 5: Solve for x
    x = 1,293,327,178.99/40,851.11
  6. Step 6: Final answer
    x = 31,659.54

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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.