Home / 34,306.56-51,377.69-21,787.40

Finding the Fourth Proportional to 34,306.56, 51,377.69 and 21,787.40

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Solution

The fourth proportional to 34,306.56, 51,377.69 and 21,787.40 is: 32,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,306.56 : 51,377.69 = 21,787.40 : x
  2. Step 2: Convert to fraction form
    34,306.56/51,377.69 = 21,787.40/x
  3. Step 3: Cross multiply
    34,306.56x = 51,377.69 × 21,787.40
  4. Step 4: Simplify right side
    34,306.56x = 1,119,386,466.02
  5. Step 5: Solve for x
    x = 1,119,386,466.02/34,306.56
  6. Step 6: Final answer
    x = 32,628.93

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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.