Home / 42,181.11-63,271.80-15,878.79

Finding the Fourth Proportional to 42,181.11, 63,271.80 and 15,878.79

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Solution

The fourth proportional to 42,181.11, 63,271.80 and 15,878.79 is: 23,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,181.11 : 63,271.80 = 15,878.79 : x
  2. Step 2: Convert to fraction form
    42,181.11/63,271.80 = 15,878.79/x
  3. Step 3: Cross multiply
    42,181.11x = 63,271.80 × 15,878.79
  4. Step 4: Simplify right side
    42,181.11x = 1,004,679,625.12
  5. Step 5: Solve for x
    x = 1,004,679,625.12/42,181.11
  6. Step 6: Final answer
    x = 23,818.24

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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.