Home / 52,376.04-72,229.32-40,420.44

Finding the Fourth Proportional to 52,376.04, 72,229.32 and 40,420.44

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Solution

The fourth proportional to 52,376.04, 72,229.32 and 40,420.44 is: 55,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,376.04 : 72,229.32 = 40,420.44 : x
  2. Step 2: Convert to fraction form
    52,376.04/72,229.32 = 40,420.44/x
  3. Step 3: Cross multiply
    52,376.04x = 72,229.32 × 40,420.44
  4. Step 4: Simplify right side
    52,376.04x = 2,919,540,895.30
  5. Step 5: Solve for x
    x = 2,919,540,895.30/52,376.04
  6. Step 6: Final answer
    x = 55,741.92

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1.5x scale

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.