Home / 45,181.52-62,343.24-28,402.64

Finding the Fourth Proportional to 45,181.52, 62,343.24 and 28,402.64

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Solution

The fourth proportional to 45,181.52, 62,343.24 and 28,402.64 is: 39,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,181.52 : 62,343.24 = 28,402.64 : x
  2. Step 2: Convert to fraction form
    45,181.52/62,343.24 = 28,402.64/x
  3. Step 3: Cross multiply
    45,181.52x = 62,343.24 × 28,402.64
  4. Step 4: Simplify right side
    45,181.52x = 1,770,712,602.15
  5. Step 5: Solve for x
    x = 1,770,712,602.15/45,181.52
  6. Step 6: Final answer
    x = 39,191.08

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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.