Home / 45,343.30-62,531.90-28,342.12

Finding the Fourth Proportional to 45,343.30, 62,531.90 and 28,342.12

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Solution

The fourth proportional to 45,343.30, 62,531.90 and 28,342.12 is: 39,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,343.30 : 62,531.90 = 28,342.12 : x
  2. Step 2: Convert to fraction form
    45,343.30/62,531.90 = 28,342.12/x
  3. Step 3: Cross multiply
    45,343.30x = 62,531.90 × 28,342.12
  4. Step 4: Simplify right side
    45,343.30x = 1,772,286,613.63
  5. Step 5: Solve for x
    x = 1,772,286,613.63/45,343.30
  6. Step 6: Final answer
    x = 39,085.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.