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Finding the Fourth Proportional to 63,443, 95,160.90 and 19,068.86

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Solution

The fourth proportional to 63,443, 95,160.90 and 19,068.86 is: 28,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,443 : 95,160.90 = 19,068.86 : x
  2. Step 2: Convert to fraction form
    63,443/95,160.90 = 19,068.86/x
  3. Step 3: Cross multiply
    63,443x = 95,160.90 × 19,068.86
  4. Step 4: Simplify right side
    63,443x = 1,814,609,879.57
  5. Step 5: Solve for x
    x = 1,814,609,879.57/63,443
  6. Step 6: Final answer
    x = 28,602.21

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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.