Home / 69,088.80-95,342.37-38,874.18

Finding the Fourth Proportional to 69,088.80, 95,342.37 and 38,874.18

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Solution

The fourth proportional to 69,088.80, 95,342.37 and 38,874.18 is: 53,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.80 : 95,342.37 = 38,874.18 : x
  2. Step 2: Convert to fraction form
    69,088.80/95,342.37 = 38,874.18/x
  3. Step 3: Cross multiply
    69,088.80x = 95,342.37 × 38,874.18
  4. Step 4: Simplify right side
    69,088.80x = 3,706,356,128.46
  5. Step 5: Solve for x
    x = 3,706,356,128.46/69,088.80
  6. Step 6: Final answer
    x = 53,646.27

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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.