Home / 51,637.92-71,261.01-28,981.82

Finding the Fourth Proportional to 51,637.92, 71,261.01 and 28,981.82

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Solution

The fourth proportional to 51,637.92, 71,261.01 and 28,981.82 is: 39,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.92 : 71,261.01 = 28,981.82 : x
  2. Step 2: Convert to fraction form
    51,637.92/71,261.01 = 28,981.82/x
  3. Step 3: Cross multiply
    51,637.92x = 71,261.01 × 28,981.82
  4. Step 4: Simplify right side
    51,637.92x = 2,065,273,408.53
  5. Step 5: Solve for x
    x = 2,065,273,408.53/51,637.92
  6. Step 6: Final answer
    x = 39,995.29

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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.