Home / 42,237.88-63,438.83-31,100.58

Finding the Fourth Proportional to 42,237.88, 63,438.83 and 31,100.58

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Solution

The fourth proportional to 42,237.88, 63,438.83 and 31,100.58 is: 46,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,237.88 : 63,438.83 = 31,100.58 : x
  2. Step 2: Convert to fraction form
    42,237.88/63,438.83 = 31,100.58/x
  3. Step 3: Cross multiply
    42,237.88x = 63,438.83 × 31,100.58
  4. Step 4: Simplify right side
    42,237.88x = 1,972,984,368.65
  5. Step 5: Solve for x
    x = 1,972,984,368.65/42,237.88
  6. Step 6: Final answer
    x = 46,711.26

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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.