Home / 51,102.51-70,523.78-28,442.95

Finding the Fourth Proportional to 51,102.51, 70,523.78 and 28,442.95

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Solution

The fourth proportional to 51,102.51, 70,523.78 and 28,442.95 is: 39,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.51 : 70,523.78 = 28,442.95 : x
  2. Step 2: Convert to fraction form
    51,102.51/70,523.78 = 28,442.95/x
  3. Step 3: Cross multiply
    51,102.51x = 70,523.78 × 28,442.95
  4. Step 4: Simplify right side
    51,102.51x = 2,005,904,249.82
  5. Step 5: Solve for x
    x = 2,005,904,249.82/51,102.51
  6. Step 6: Final answer
    x = 39,252.56

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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.