Home / 52,787.16-72,846.87-30,129.21

Finding the Fourth Proportional to 52,787.16, 72,846.87 and 30,129.21

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Solution

The fourth proportional to 52,787.16, 72,846.87 and 30,129.21 is: 41,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.16 : 72,846.87 = 30,129.21 : x
  2. Step 2: Convert to fraction form
    52,787.16/72,846.87 = 30,129.21/x
  3. Step 3: Cross multiply
    52,787.16x = 72,846.87 × 30,129.21
  4. Step 4: Simplify right side
    52,787.16x = 2,194,818,644.07
  5. Step 5: Solve for x
    x = 2,194,818,644.07/52,787.16
  6. Step 6: Final answer
    x = 41,578.65

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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.