Home / 49,577.56-74,340.81-19,987.45

Finding the Fourth Proportional to 49,577.56, 74,340.81 and 19,987.45

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Solution

The fourth proportional to 49,577.56, 74,340.81 and 19,987.45 is: 29,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,577.56 : 74,340.81 = 19,987.45 : x
  2. Step 2: Convert to fraction form
    49,577.56/74,340.81 = 19,987.45/x
  3. Step 3: Cross multiply
    49,577.56x = 74,340.81 × 19,987.45
  4. Step 4: Simplify right side
    49,577.56x = 1,485,883,036.98
  5. Step 5: Solve for x
    x = 1,485,883,036.98/49,577.56
  6. Step 6: Final answer
    x = 29,970.88

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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.