Home / 34,156.40-51,202.20-30,657.20

Finding the Fourth Proportional to 34,156.40, 51,202.20 and 30,657.20

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Solution

The fourth proportional to 34,156.40, 51,202.20 and 30,657.20 is: 45,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,156.40 : 51,202.20 = 30,657.20 : x
  2. Step 2: Convert to fraction form
    34,156.40/51,202.20 = 30,657.20/x
  3. Step 3: Cross multiply
    34,156.40x = 51,202.20 × 30,657.20
  4. Step 4: Simplify right side
    34,156.40x = 1,569,716,085.84
  5. Step 5: Solve for x
    x = 1,569,716,085.84/34,156.40
  6. Step 6: Final answer
    x = 45,956.72

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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.