Home / 51,102.85-70,523.95-28,442.79

Finding the Fourth Proportional to 51,102.85, 70,523.95 and 28,442.79

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Solution

The fourth proportional to 51,102.85, 70,523.95 and 28,442.79 is: 39,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.85 : 70,523.95 = 28,442.79 : x
  2. Step 2: Convert to fraction form
    51,102.85/70,523.95 = 28,442.79/x
  3. Step 3: Cross multiply
    51,102.85x = 70,523.95 × 28,442.79
  4. Step 4: Simplify right side
    51,102.85x = 2,005,897,899.82
  5. Step 5: Solve for x
    x = 2,005,897,899.82/51,102.85
  6. Step 6: Final answer
    x = 39,252.18

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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.