Home / 79,577.37-119,367.42-26,988.21

Finding the Fourth Proportional to 79,577.37, 119,367.42 and 26,988.21

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Solution

The fourth proportional to 79,577.37, 119,367.42 and 26,988.21 is: 40,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,577.37 : 119,367.42 = 26,988.21 : x
  2. Step 2: Convert to fraction form
    79,577.37/119,367.42 = 26,988.21/x
  3. Step 3: Cross multiply
    79,577.37x = 119,367.42 × 26,988.21
  4. Step 4: Simplify right side
    79,577.37x = 3,221,512,998.12
  5. Step 5: Solve for x
    x = 3,221,512,998.12/79,577.37
  6. Step 6: Final answer
    x = 40,482.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.