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Finding the Fourth Proportional to 32,289.64, 48,441.49 and 13,559.00

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Solution

The fourth proportional to 32,289.64, 48,441.49 and 13,559.00 is: 20,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,289.64 : 48,441.49 = 13,559.00 : x
  2. Step 2: Convert to fraction form
    32,289.64/48,441.49 = 13,559.00/x
  3. Step 3: Cross multiply
    32,289.64x = 48,441.49 × 13,559.00
  4. Step 4: Simplify right side
    32,289.64x = 656,817,886.81
  5. Step 5: Solve for x
    x = 656,817,886.81/32,289.64
  6. Step 6: Final answer
    x = 20,341.45

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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.