Home / 32,439.60-48,659.40-18,577.20

Finding the Fourth Proportional to 32,439.60, 48,659.40 and 18,577.20

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Solution

The fourth proportional to 32,439.60, 48,659.40 and 18,577.20 is: 27,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,439.60 : 48,659.40 = 18,577.20 : x
  2. Step 2: Convert to fraction form
    32,439.60/48,659.40 = 18,577.20/x
  3. Step 3: Cross multiply
    32,439.60x = 48,659.40 × 18,577.20
  4. Step 4: Simplify right side
    32,439.60x = 903,955,405.68
  5. Step 5: Solve for x
    x = 903,955,405.68/32,439.60
  6. Step 6: Final answer
    x = 27,865.80

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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.