Home / 69,570.11-96,006.78-39,354.79

Finding the Fourth Proportional to 69,570.11, 96,006.78 and 39,354.79

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Solution

The fourth proportional to 69,570.11, 96,006.78 and 39,354.79 is: 54,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,570.11 : 96,006.78 = 39,354.79 : x
  2. Step 2: Convert to fraction form
    69,570.11/96,006.78 = 39,354.79/x
  3. Step 3: Cross multiply
    69,570.11x = 96,006.78 × 39,354.79
  4. Step 4: Simplify right side
    69,570.11x = 3,778,326,665.48
  5. Step 5: Solve for x
    x = 3,778,326,665.48/69,570.11
  6. Step 6: Final answer
    x = 54,309.63

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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.