Home / 52,697.28-72,748.80-40,733.60

Finding the Fourth Proportional to 52,697.28, 72,748.80 and 40,733.60

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Solution

The fourth proportional to 52,697.28, 72,748.80 and 40,733.60 is: 56,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.28 : 72,748.80 = 40,733.60 : x
  2. Step 2: Convert to fraction form
    52,697.28/72,748.80 = 40,733.60/x
  3. Step 3: Cross multiply
    52,697.28x = 72,748.80 × 40,733.60
  4. Step 4: Simplify right side
    52,697.28x = 2,963,320,519.68
  5. Step 5: Solve for x
    x = 2,963,320,519.68/52,697.28
  6. Step 6: Final answer
    x = 56,232.89

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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.