Home / 39,913.07-55,082.51-22,008.05

Finding the Fourth Proportional to 39,913.07, 55,082.51 and 22,008.05

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Solution

The fourth proportional to 39,913.07, 55,082.51 and 22,008.05 is: 30,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.07 : 55,082.51 = 22,008.05 : x
  2. Step 2: Convert to fraction form
    39,913.07/55,082.51 = 22,008.05/x
  3. Step 3: Cross multiply
    39,913.07x = 55,082.51 × 22,008.05
  4. Step 4: Simplify right side
    39,913.07x = 1,212,258,413.81
  5. Step 5: Solve for x
    x = 1,212,258,413.81/39,913.07
  6. Step 6: Final answer
    x = 30,372.47

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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.