Home / 79,690.20-119,507.42-23,515.40

Finding the Fourth Proportional to 79,690.20, 119,507.42 and 23,515.40

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Solution

The fourth proportional to 79,690.20, 119,507.42 and 23,515.40 is: 35,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,690.20 : 119,507.42 = 23,515.40 : x
  2. Step 2: Convert to fraction form
    79,690.20/119,507.42 = 23,515.40/x
  3. Step 3: Cross multiply
    79,690.20x = 119,507.42 × 23,515.40
  4. Step 4: Simplify right side
    79,690.20x = 2,810,264,784.27
  5. Step 5: Solve for x
    x = 2,810,264,784.27/79,690.20
  6. Step 6: Final answer
    x = 35,264.87

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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.