Home / 51,267.39-70,748.91-28,605

Finding the Fourth Proportional to 51,267.39, 70,748.91 and 28,605

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Solution

The fourth proportional to 51,267.39, 70,748.91 and 28,605 is: 39,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,267.39 : 70,748.91 = 28,605 : x
  2. Step 2: Convert to fraction form
    51,267.39/70,748.91 = 28,605/x
  3. Step 3: Cross multiply
    51,267.39x = 70,748.91 × 28,605
  4. Step 4: Simplify right side
    51,267.39x = 2,023,772,570.55
  5. Step 5: Solve for x
    x = 2,023,772,570.55/51,267.39
  6. Step 6: Final answer
    x = 39,474.85

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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.