Home / 32,966.40-49,449.84-12,189.60

Finding the Fourth Proportional to 32,966.40, 49,449.84 and 12,189.60

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Solution

The fourth proportional to 32,966.40, 49,449.84 and 12,189.60 is: 18,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,966.40 : 49,449.84 = 12,189.60 : x
  2. Step 2: Convert to fraction form
    32,966.40/49,449.84 = 12,189.60/x
  3. Step 3: Cross multiply
    32,966.40x = 49,449.84 × 12,189.60
  4. Step 4: Simplify right side
    32,966.40x = 602,773,769.66
  5. Step 5: Solve for x
    x = 602,773,769.66/32,966.40
  6. Step 6: Final answer
    x = 18,284.49

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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.