Home / 84,519.07-126,842.88-31,261.44

Finding the Fourth Proportional to 84,519.07, 126,842.88 and 31,261.44

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Solution

The fourth proportional to 84,519.07, 126,842.88 and 31,261.44 is: 46,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,519.07 : 126,842.88 = 31,261.44 : x
  2. Step 2: Convert to fraction form
    84,519.07/126,842.88 = 31,261.44/x
  3. Step 3: Cross multiply
    84,519.07x = 126,842.88 × 31,261.44
  4. Step 4: Simplify right side
    84,519.07x = 3,965,291,082.55
  5. Step 5: Solve for x
    x = 3,965,291,082.55/84,519.07
  6. Step 6: Final answer
    x = 46,915.93

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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.