Home / 39,180.71-54,070.64-22,184.69

Finding the Fourth Proportional to 39,180.71, 54,070.64 and 22,184.69

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Solution

The fourth proportional to 39,180.71, 54,070.64 and 22,184.69 is: 30,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.71 : 54,070.64 = 22,184.69 : x
  2. Step 2: Convert to fraction form
    39,180.71/54,070.64 = 22,184.69/x
  3. Step 3: Cross multiply
    39,180.71x = 54,070.64 × 22,184.69
  4. Step 4: Simplify right side
    39,180.71x = 1,199,540,088.42
  5. Step 5: Solve for x
    x = 1,199,540,088.42/39,180.71
  6. Step 6: Final answer
    x = 30,615.58

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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.