Home / 39,965.52-55,154.25-22,975.28

Finding the Fourth Proportional to 39,965.52, 55,154.25 and 22,975.28

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Solution

The fourth proportional to 39,965.52, 55,154.25 and 22,975.28 is: 31,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.52 : 55,154.25 = 22,975.28 : x
  2. Step 2: Convert to fraction form
    39,965.52/55,154.25 = 22,975.28/x
  3. Step 3: Cross multiply
    39,965.52x = 55,154.25 × 22,975.28
  4. Step 4: Simplify right side
    39,965.52x = 1,267,184,061.17
  5. Step 5: Solve for x
    x = 1,267,184,061.17/39,965.52
  6. Step 6: Final answer
    x = 31,706.93

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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.