Home / 51,746.20-71,376.06-42,299.80

Finding the Fourth Proportional to 51,746.20, 71,376.06 and 42,299.80

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Solution

The fourth proportional to 51,746.20, 71,376.06 and 42,299.80 is: 58,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,746.20 : 71,376.06 = 42,299.80 : x
  2. Step 2: Convert to fraction form
    51,746.20/71,376.06 = 42,299.80/x
  3. Step 3: Cross multiply
    51,746.20x = 71,376.06 × 42,299.80
  4. Step 4: Simplify right side
    51,746.20x = 3,019,193,062.79
  5. Step 5: Solve for x
    x = 3,019,193,062.79/51,746.20
  6. Step 6: Final answer
    x = 58,346.18

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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.