Home / 32,787.12-49,169.76-13,060.40

Finding the Fourth Proportional to 32,787.12, 49,169.76 and 13,060.40

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Solution

The fourth proportional to 32,787.12, 49,169.76 and 13,060.40 is: 19,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.12 : 49,169.76 = 13,060.40 : x
  2. Step 2: Convert to fraction form
    32,787.12/49,169.76 = 13,060.40/x
  3. Step 3: Cross multiply
    32,787.12x = 49,169.76 × 13,060.40
  4. Step 4: Simplify right side
    32,787.12x = 642,176,733.50
  5. Step 5: Solve for x
    x = 642,176,733.50/32,787.12
  6. Step 6: Final answer
    x = 19,586.25

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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.