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Finding the Fourth Proportional to 32,609.40, 48,857.40 and 15,043.20

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Solution

The fourth proportional to 32,609.40, 48,857.40 and 15,043.20 is: 22,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,609.40 : 48,857.40 = 15,043.20 : x
  2. Step 2: Convert to fraction form
    32,609.40/48,857.40 = 15,043.20/x
  3. Step 3: Cross multiply
    32,609.40x = 48,857.40 × 15,043.20
  4. Step 4: Simplify right side
    32,609.40x = 734,971,639.68
  5. Step 5: Solve for x
    x = 734,971,639.68/32,609.40
  6. Step 6: Final answer
    x = 22,538.64

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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.