Home / 45,274.02-67,911.18-18,613.14

Finding the Fourth Proportional to 45,274.02, 67,911.18 and 18,613.14

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Solution

The fourth proportional to 45,274.02, 67,911.18 and 18,613.14 is: 27,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,274.02 : 67,911.18 = 18,613.14 : x
  2. Step 2: Convert to fraction form
    45,274.02/67,911.18 = 18,613.14/x
  3. Step 3: Cross multiply
    45,274.02x = 67,911.18 × 18,613.14
  4. Step 4: Simplify right side
    45,274.02x = 1,264,040,300.91
  5. Step 5: Solve for x
    x = 1,264,040,300.91/45,274.02
  6. Step 6: Final answer
    x = 27,919.77

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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.