Home / 40,413.51-60,651.86-28,020.81

Finding the Fourth Proportional to 40,413.51, 60,651.86 and 28,020.81

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Solution

The fourth proportional to 40,413.51, 60,651.86 and 28,020.81 is: 42,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,413.51 : 60,651.86 = 28,020.81 : x
  2. Step 2: Convert to fraction form
    40,413.51/60,651.86 = 28,020.81/x
  3. Step 3: Cross multiply
    40,413.51x = 60,651.86 × 28,020.81
  4. Step 4: Simplify right side
    40,413.51x = 1,699,514,332.55
  5. Step 5: Solve for x
    x = 1,699,514,332.55/40,413.51
  6. Step 6: Final answer
    x = 42,053.12

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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.