Home / 39,206.64-54,103.42-22,210.55

Finding the Fourth Proportional to 39,206.64, 54,103.42 and 22,210.55

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Solution

The fourth proportional to 39,206.64, 54,103.42 and 22,210.55 is: 30,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,206.64 : 54,103.42 = 22,210.55 : x
  2. Step 2: Convert to fraction form
    39,206.64/54,103.42 = 22,210.55/x
  3. Step 3: Cross multiply
    39,206.64x = 54,103.42 × 22,210.55
  4. Step 4: Simplify right side
    39,206.64x = 1,201,666,715.08
  5. Step 5: Solve for x
    x = 1,201,666,715.08/39,206.64
  6. Step 6: Final answer
    x = 30,649.57

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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.