Home / 39,411.77-54,386.01-22,413.60

Finding the Fourth Proportional to 39,411.77, 54,386.01 and 22,413.60

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Solution

The fourth proportional to 39,411.77, 54,386.01 and 22,413.60 is: 30,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.77 : 54,386.01 = 22,413.60 : x
  2. Step 2: Convert to fraction form
    39,411.77/54,386.01 = 22,413.60/x
  3. Step 3: Cross multiply
    39,411.77x = 54,386.01 × 22,413.60
  4. Step 4: Simplify right side
    39,411.77x = 1,218,986,273.74
  5. Step 5: Solve for x
    x = 1,218,986,273.74/39,411.77
  6. Step 6: Final answer
    x = 30,929.50

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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.