Home / 56,769.60-78,343.20-32,904

Finding the Fourth Proportional to 56,769.60, 78,343.20 and 32,904

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Solution

The fourth proportional to 56,769.60, 78,343.20 and 32,904 is: 45,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769.60 : 78,343.20 = 32,904 : x
  2. Step 2: Convert to fraction form
    56,769.60/78,343.20 = 32,904/x
  3. Step 3: Cross multiply
    56,769.60x = 78,343.20 × 32,904
  4. Step 4: Simplify right side
    56,769.60x = 2,577,804,652.80
  5. Step 5: Solve for x
    x = 2,577,804,652.80/56,769.60
  6. Step 6: Final answer
    x = 45,408.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.