Home / 35,853.28-49,478.87-19,938.85

Finding the Fourth Proportional to 35,853.28, 49,478.87 and 19,938.85

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Solution

The fourth proportional to 35,853.28, 49,478.87 and 19,938.85 is: 27,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.28 : 49,478.87 = 19,938.85 : x
  2. Step 2: Convert to fraction form
    35,853.28/49,478.87 = 19,938.85/x
  3. Step 3: Cross multiply
    35,853.28x = 49,478.87 × 19,938.85
  4. Step 4: Simplify right side
    35,853.28x = 986,551,767.10
  5. Step 5: Solve for x
    x = 986,551,767.10/35,853.28
  6. Step 6: Final answer
    x = 27,516.36

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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.