Home / 42,448.82-63,698.75-15,814.40

Finding the Fourth Proportional to 42,448.82, 63,698.75 and 15,814.40

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Solution

The fourth proportional to 42,448.82, 63,698.75 and 15,814.40 is: 23,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.82 : 63,698.75 = 15,814.40 : x
  2. Step 2: Convert to fraction form
    42,448.82/63,698.75 = 15,814.40/x
  3. Step 3: Cross multiply
    42,448.82x = 63,698.75 × 15,814.40
  4. Step 4: Simplify right side
    42,448.82x = 1,007,357,651.48
  5. Step 5: Solve for x
    x = 1,007,357,651.48/42,448.82
  6. Step 6: Final answer
    x = 23,731.11

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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.