Home / 35,887.28-49,523.16-19,972.40

Finding the Fourth Proportional to 35,887.28, 49,523.16 and 19,972.40

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Solution

The fourth proportional to 35,887.28, 49,523.16 and 19,972.40 is: 27,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,887.28 : 49,523.16 = 19,972.40 : x
  2. Step 2: Convert to fraction form
    35,887.28/49,523.16 = 19,972.40/x
  3. Step 3: Cross multiply
    35,887.28x = 49,523.16 × 19,972.40
  4. Step 4: Simplify right side
    35,887.28x = 989,096,360.78
  5. Step 5: Solve for x
    x = 989,096,360.78/35,887.28
  6. Step 6: Final answer
    x = 27,561.20

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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.