Home / 52,679.42-72,697.59-28,806.11

Finding the Fourth Proportional to 52,679.42, 72,697.59 and 28,806.11

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Solution

The fourth proportional to 52,679.42, 72,697.59 and 28,806.11 is: 39,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.42 : 72,697.59 = 28,806.11 : x
  2. Step 2: Convert to fraction form
    52,679.42/72,697.59 = 28,806.11/x
  3. Step 3: Cross multiply
    52,679.42x = 72,697.59 × 28,806.11
  4. Step 4: Simplify right side
    52,679.42x = 2,094,134,410.79
  5. Step 5: Solve for x
    x = 2,094,134,410.79/52,679.42
  6. Step 6: Final answer
    x = 39,752.42

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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.