Home / 45,543.38-68,319.15-12,262.71

Finding the Fourth Proportional to 45,543.38, 68,319.15 and 12,262.71

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Solution

The fourth proportional to 45,543.38, 68,319.15 and 12,262.71 is: 18,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.38 : 68,319.15 = 12,262.71 : x
  2. Step 2: Convert to fraction form
    45,543.38/68,319.15 = 12,262.71/x
  3. Step 3: Cross multiply
    45,543.38x = 68,319.15 × 12,262.71
  4. Step 4: Simplify right side
    45,543.38x = 837,777,582.30
  5. Step 5: Solve for x
    x = 837,777,582.30/45,543.38
  6. Step 6: Final answer
    x = 18,395.16

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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.