Home / 69,800.18-96,316.20-39,579.48

Finding the Fourth Proportional to 69,800.18, 96,316.20 and 39,579.48

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Solution

The fourth proportional to 69,800.18, 96,316.20 and 39,579.48 is: 54,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.18 : 96,316.20 = 39,579.48 : x
  2. Step 2: Convert to fraction form
    69,800.18/96,316.20 = 39,579.48/x
  3. Step 3: Cross multiply
    69,800.18x = 96,316.20 × 39,579.48
  4. Step 4: Simplify right side
    69,800.18x = 3,812,145,111.58
  5. Step 5: Solve for x
    x = 3,812,145,111.58/69,800.18
  6. Step 6: Final answer
    x = 54,615.12

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1.5x scale

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.