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Finding the Fourth Proportional to 32,406.40, 48,631.20 and 14,867.20

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Solution

The fourth proportional to 32,406.40, 48,631.20 and 14,867.20 is: 22,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,406.40 : 48,631.20 = 14,867.20 : x
  2. Step 2: Convert to fraction form
    32,406.40/48,631.20 = 14,867.20/x
  3. Step 3: Cross multiply
    32,406.40x = 48,631.20 × 14,867.20
  4. Step 4: Simplify right side
    32,406.40x = 723,009,776.64
  5. Step 5: Solve for x
    x = 723,009,776.64/32,406.40
  6. Step 6: Final answer
    x = 22,310.71

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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.