Home / 39,407.66-54,384.09-22,413.45

Finding the Fourth Proportional to 39,407.66, 54,384.09 and 22,413.45

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Solution

The fourth proportional to 39,407.66, 54,384.09 and 22,413.45 is: 30,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.66 : 54,384.09 = 22,413.45 : x
  2. Step 2: Convert to fraction form
    39,407.66/54,384.09 = 22,413.45/x
  3. Step 3: Cross multiply
    39,407.66x = 54,384.09 × 22,413.45
  4. Step 4: Simplify right side
    39,407.66x = 1,218,935,082.01
  5. Step 5: Solve for x
    x = 1,218,935,082.01/39,407.66
  6. Step 6: Final answer
    x = 30,931.43

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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.