Home / 51,204.30-76,806.45-42,456.30

Finding the Fourth Proportional to 51,204.30, 76,806.45 and 42,456.30

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Solution

The fourth proportional to 51,204.30, 76,806.45 and 42,456.30 is: 63,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.30 : 76,806.45 = 42,456.30 : x
  2. Step 2: Convert to fraction form
    51,204.30/76,806.45 = 42,456.30/x
  3. Step 3: Cross multiply
    51,204.30x = 76,806.45 × 42,456.30
  4. Step 4: Simplify right side
    51,204.30x = 3,260,917,683.14
  5. Step 5: Solve for x
    x = 3,260,917,683.14/51,204.30
  6. Step 6: Final answer
    x = 63,684.45

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1.5x scale

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.