Home / 69,920.88-96,490.32-38,089.68

Finding the Fourth Proportional to 69,920.88, 96,490.32 and 38,089.68

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Solution

The fourth proportional to 69,920.88, 96,490.32 and 38,089.68 is: 52,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.88 : 96,490.32 = 38,089.68 : x
  2. Step 2: Convert to fraction form
    69,920.88/96,490.32 = 38,089.68/x
  3. Step 3: Cross multiply
    69,920.88x = 96,490.32 × 38,089.68
  4. Step 4: Simplify right side
    69,920.88x = 3,675,285,411.90
  5. Step 5: Solve for x
    x = 3,675,285,411.90/69,920.88
  6. Step 6: Final answer
    x = 52,563.49

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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.