Home / 39,409.86-54,386.22-22,413.66

Finding the Fourth Proportional to 39,409.86, 54,386.22 and 22,413.66

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Solution

The fourth proportional to 39,409.86, 54,386.22 and 22,413.66 is: 30,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.86 : 54,386.22 = 22,413.66 : x
  2. Step 2: Convert to fraction form
    39,409.86/54,386.22 = 22,413.66/x
  3. Step 3: Cross multiply
    39,409.86x = 54,386.22 × 22,413.66
  4. Step 4: Simplify right side
    39,409.86x = 1,218,994,243.77
  5. Step 5: Solve for x
    x = 1,218,994,243.77/39,409.86
  6. Step 6: Final answer
    x = 30,931.20

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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.