Home / 49,571.80-74,356.79-19,988.98

Finding the Fourth Proportional to 49,571.80, 74,356.79 and 19,988.98

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Solution

The fourth proportional to 49,571.80, 74,356.79 and 19,988.98 is: 29,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,571.80 : 74,356.79 = 19,988.98 : x
  2. Step 2: Convert to fraction form
    49,571.80/74,356.79 = 19,988.98/x
  3. Step 3: Cross multiply
    49,571.80x = 74,356.79 × 19,988.98
  4. Step 4: Simplify right side
    49,571.80x = 1,486,316,102.34
  5. Step 5: Solve for x
    x = 1,486,316,102.34/49,571.80
  6. Step 6: Final answer
    x = 29,983.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.