Home / 35,816.72-49,427.12-19,900.80

Finding the Fourth Proportional to 35,816.72, 49,427.12 and 19,900.80

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Solution

The fourth proportional to 35,816.72, 49,427.12 and 19,900.80 is: 27,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,816.72 : 49,427.12 = 19,900.80 : x
  2. Step 2: Convert to fraction form
    35,816.72/49,427.12 = 19,900.80/x
  3. Step 3: Cross multiply
    35,816.72x = 49,427.12 × 19,900.80
  4. Step 4: Simplify right side
    35,816.72x = 983,639,229.70
  5. Step 5: Solve for x
    x = 983,639,229.70/35,816.72
  6. Step 6: Final answer
    x = 27,463.13

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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.