Home / 29,855.16-44,787.84-12,315.40

Finding the Fourth Proportional to 29,855.16, 44,787.84 and 12,315.40

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Solution

The fourth proportional to 29,855.16, 44,787.84 and 12,315.40 is: 18,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,855.16 : 44,787.84 = 12,315.40 : x
  2. Step 2: Convert to fraction form
    29,855.16/44,787.84 = 12,315.40/x
  3. Step 3: Cross multiply
    29,855.16x = 44,787.84 × 12,315.40
  4. Step 4: Simplify right side
    29,855.16x = 551,580,164.74
  5. Step 5: Solve for x
    x = 551,580,164.74/29,855.16
  6. Step 6: Final answer
    x = 18,475.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.