Home / 39,943.53-55,122.26-22,038.51

Finding the Fourth Proportional to 39,943.53, 55,122.26 and 22,038.51

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Solution

The fourth proportional to 39,943.53, 55,122.26 and 22,038.51 is: 30,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.53 : 55,122.26 = 22,038.51 : x
  2. Step 2: Convert to fraction form
    39,943.53/55,122.26 = 22,038.51/x
  3. Step 3: Cross multiply
    39,943.53x = 55,122.26 × 22,038.51
  4. Step 4: Simplify right side
    39,943.53x = 1,214,812,574.75
  5. Step 5: Solve for x
    x = 1,214,812,574.75/39,943.53
  6. Step 6: Final answer
    x = 30,413.25

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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.