Home / 39,431.68-54,413.40-22,664.68

Finding the Fourth Proportional to 39,431.68, 54,413.40 and 22,664.68

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Solution

The fourth proportional to 39,431.68, 54,413.40 and 22,664.68 is: 31,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.68 : 54,413.40 = 22,664.68 : x
  2. Step 2: Convert to fraction form
    39,431.68/54,413.40 = 22,664.68/x
  3. Step 3: Cross multiply
    39,431.68x = 54,413.40 × 22,664.68
  4. Step 4: Simplify right side
    39,431.68x = 1,233,262,298.71
  5. Step 5: Solve for x
    x = 1,233,262,298.71/39,431.68
  6. Step 6: Final answer
    x = 31,275.93

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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.