Home / 69,920.57-96,493.32-38,091.21

Finding the Fourth Proportional to 69,920.57, 96,493.32 and 38,091.21

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Solution

The fourth proportional to 69,920.57, 96,493.32 and 38,091.21 is: 52,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.57 : 96,493.32 = 38,091.21 : x
  2. Step 2: Convert to fraction form
    69,920.57/96,493.32 = 38,091.21/x
  3. Step 3: Cross multiply
    69,920.57x = 96,493.32 × 38,091.21
  4. Step 4: Simplify right side
    69,920.57x = 3,675,547,315.72
  5. Step 5: Solve for x
    x = 3,675,547,315.72/69,920.57
  6. Step 6: Final answer
    x = 52,567.47

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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.