Home / 45,742.60-68,613.90-28,246.60

Finding the Fourth Proportional to 45,742.60, 68,613.90 and 28,246.60

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Solution

The fourth proportional to 45,742.60, 68,613.90 and 28,246.60 is: 42,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.60 : 68,613.90 = 28,246.60 : x
  2. Step 2: Convert to fraction form
    45,742.60/68,613.90 = 28,246.60/x
  3. Step 3: Cross multiply
    45,742.60x = 68,613.90 × 28,246.60
  4. Step 4: Simplify right side
    45,742.60x = 1,938,109,387.74
  5. Step 5: Solve for x
    x = 1,938,109,387.74/45,742.60
  6. Step 6: Final answer
    x = 42,369.90

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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.