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Finding the Fourth Proportional to 63,413.70, 87,510.84 and 35,119.38

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Solution

The fourth proportional to 63,413.70, 87,510.84 and 35,119.38 is: 48,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.70 : 87,510.84 = 35,119.38 : x
  2. Step 2: Convert to fraction form
    63,413.70/87,510.84 = 35,119.38/x
  3. Step 3: Cross multiply
    63,413.70x = 87,510.84 × 35,119.38
  4. Step 4: Simplify right side
    63,413.70x = 3,073,326,444.08
  5. Step 5: Solve for x
    x = 3,073,326,444.08/63,413.70
  6. Step 6: Final answer
    x = 48,464.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.