Home / 31,413.07-47,118.96-10,354.38

Finding the Fourth Proportional to 31,413.07, 47,118.96 and 10,354.38

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Solution

The fourth proportional to 31,413.07, 47,118.96 and 10,354.38 is: 15,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.07 : 47,118.96 = 10,354.38 : x
  2. Step 2: Convert to fraction form
    31,413.07/47,118.96 = 10,354.38/x
  3. Step 3: Cross multiply
    31,413.07x = 47,118.96 × 10,354.38
  4. Step 4: Simplify right side
    31,413.07x = 487,887,548.11
  5. Step 5: Solve for x
    x = 487,887,548.11/31,413.07
  6. Step 6: Final answer
    x = 15,531.35

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1.5x scale

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.