Home / 42,544.36-63,815.94-19,154.20

Finding the Fourth Proportional to 42,544.36, 63,815.94 and 19,154.20

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Solution

The fourth proportional to 42,544.36, 63,815.94 and 19,154.20 is: 28,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,544.36 : 63,815.94 = 19,154.20 : x
  2. Step 2: Convert to fraction form
    42,544.36/63,815.94 = 19,154.20/x
  3. Step 3: Cross multiply
    42,544.36x = 63,815.94 × 19,154.20
  4. Step 4: Simplify right side
    42,544.36x = 1,222,343,277.95
  5. Step 5: Solve for x
    x = 1,222,343,277.95/42,544.36
  6. Step 6: Final answer
    x = 28,731.03

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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.