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Finding the Fourth Proportional to 63,344.16, 87,413.61 and 34,663.71

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Solution

The fourth proportional to 63,344.16, 87,413.61 and 34,663.71 is: 47,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,344.16 : 87,413.61 = 34,663.71 : x
  2. Step 2: Convert to fraction form
    63,344.16/87,413.61 = 34,663.71/x
  3. Step 3: Cross multiply
    63,344.16x = 87,413.61 × 34,663.71
  4. Step 4: Simplify right side
    63,344.16x = 3,030,080,027.09
  5. Step 5: Solve for x
    x = 3,030,080,027.09/63,344.16
  6. Step 6: Final answer
    x = 47,835.19

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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.