Home / 32,769.60-49,142.40-10,588.80

Finding the Fourth Proportional to 32,769.60, 49,142.40 and 10,588.80

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Solution

The fourth proportional to 32,769.60, 49,142.40 and 10,588.80 is: 15,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,769.60 : 49,142.40 = 10,588.80 : x
  2. Step 2: Convert to fraction form
    32,769.60/49,142.40 = 10,588.80/x
  3. Step 3: Cross multiply
    32,769.60x = 49,142.40 × 10,588.80
  4. Step 4: Simplify right side
    32,769.60x = 520,359,045.12
  5. Step 5: Solve for x
    x = 520,359,045.12/32,769.60
  6. Step 6: Final answer
    x = 15,879.32

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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.