Home / 37,445.10-51,674.18-20,449.50

Finding the Fourth Proportional to 37,445.10, 51,674.18 and 20,449.50

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Solution

The fourth proportional to 37,445.10, 51,674.18 and 20,449.50 is: 28,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,445.10 : 51,674.18 = 20,449.50 : x
  2. Step 2: Convert to fraction form
    37,445.10/51,674.18 = 20,449.50/x
  3. Step 3: Cross multiply
    37,445.10x = 51,674.18 × 20,449.50
  4. Step 4: Simplify right side
    37,445.10x = 1,056,711,143.91
  5. Step 5: Solve for x
    x = 1,056,711,143.91/37,445.10
  6. Step 6: Final answer
    x = 28,220.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.