Home / 79,689.42-119,514.21-23,518.38

Finding the Fourth Proportional to 79,689.42, 119,514.21 and 23,518.38

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Solution

The fourth proportional to 79,689.42, 119,514.21 and 23,518.38 is: 35,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,689.42 : 119,514.21 = 23,518.38 : x
  2. Step 2: Convert to fraction form
    79,689.42/119,514.21 = 23,518.38/x
  3. Step 3: Cross multiply
    79,689.42x = 119,514.21 × 23,518.38
  4. Step 4: Simplify right side
    79,689.42x = 2,810,780,606.18
  5. Step 5: Solve for x
    x = 2,810,780,606.18/79,689.42
  6. Step 6: Final answer
    x = 35,271.69

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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.