Home / 35,302.78-48,718.17-19,387.57

Finding the Fourth Proportional to 35,302.78, 48,718.17 and 19,387.57

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Solution

The fourth proportional to 35,302.78, 48,718.17 and 19,387.57 is: 26,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,302.78 : 48,718.17 = 19,387.57 : x
  2. Step 2: Convert to fraction form
    35,302.78/48,718.17 = 19,387.57/x
  3. Step 3: Cross multiply
    35,302.78x = 48,718.17 × 19,387.57
  4. Step 4: Simplify right side
    35,302.78x = 944,526,687.56
  5. Step 5: Solve for x
    x = 944,526,687.56/35,302.78
  6. Step 6: Final answer
    x = 26,755.03

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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.