Home / 35,988.29-49,647.78-20,872.19

Finding the Fourth Proportional to 35,988.29, 49,647.78 and 20,872.19

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Solution

The fourth proportional to 35,988.29, 49,647.78 and 20,872.19 is: 28,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.29 : 49,647.78 = 20,872.19 : x
  2. Step 2: Convert to fraction form
    35,988.29/49,647.78 = 20,872.19/x
  3. Step 3: Cross multiply
    35,988.29x = 49,647.78 × 20,872.19
  4. Step 4: Simplify right side
    35,988.29x = 1,036,257,897.24
  5. Step 5: Solve for x
    x = 1,036,257,897.24/35,988.29
  6. Step 6: Final answer
    x = 28,794.31

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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.