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Finding the Fourth Proportional to 44,999.70, 67,445.55 and 18,690.90

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Solution

The fourth proportional to 44,999.70, 67,445.55 and 18,690.90 is: 28,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,999.70 : 67,445.55 = 18,690.90 : x
  2. Step 2: Convert to fraction form
    44,999.70/67,445.55 = 18,690.90/x
  3. Step 3: Cross multiply
    44,999.70x = 67,445.55 × 18,690.90
  4. Step 4: Simplify right side
    44,999.70x = 1,260,618,030.50
  5. Step 5: Solve for x
    x = 1,260,618,030.50/44,999.70
  6. Step 6: Final answer
    x = 28,013.92

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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.