Home / 45,211.88-67,803.97-31,261.55

Finding the Fourth Proportional to 45,211.88, 67,803.97 and 31,261.55

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Solution

The fourth proportional to 45,211.88, 67,803.97 and 31,261.55 is: 46,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,211.88 : 67,803.97 = 31,261.55 : x
  2. Step 2: Convert to fraction form
    45,211.88/67,803.97 = 31,261.55/x
  3. Step 3: Cross multiply
    45,211.88x = 67,803.97 × 31,261.55
  4. Step 4: Simplify right side
    45,211.88x = 2,119,657,345.95
  5. Step 5: Solve for x
    x = 2,119,657,345.95/45,211.88
  6. Step 6: Final answer
    x = 46,882.75

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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.