Home / 42,585.48-63,858.75-15,911.91

Finding the Fourth Proportional to 42,585.48, 63,858.75 and 15,911.91

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Solution

The fourth proportional to 42,585.48, 63,858.75 and 15,911.91 is: 23,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,585.48 : 63,858.75 = 15,911.91 : x
  2. Step 2: Convert to fraction form
    42,585.48/63,858.75 = 15,911.91/x
  3. Step 3: Cross multiply
    42,585.48x = 63,858.75 × 15,911.91
  4. Step 4: Simplify right side
    42,585.48x = 1,016,114,413.41
  5. Step 5: Solve for x
    x = 1,016,114,413.41/42,585.48
  6. Step 6: Final answer
    x = 23,860.59

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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.