Home / 45,421.10-68,246.85-40,352.30

Finding the Fourth Proportional to 45,421.10, 68,246.85 and 40,352.30

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Solution

The fourth proportional to 45,421.10, 68,246.85 and 40,352.30 is: 60,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.10 : 68,246.85 = 40,352.30 : x
  2. Step 2: Convert to fraction form
    45,421.10/68,246.85 = 40,352.30/x
  3. Step 3: Cross multiply
    45,421.10x = 68,246.85 × 40,352.30
  4. Step 4: Simplify right side
    45,421.10x = 2,753,917,365.26
  5. Step 5: Solve for x
    x = 2,753,917,365.26/45,421.10
  6. Step 6: Final answer
    x = 60,630.79

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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.