Home / 39,330.66-54,271.63-22,334.78

Finding the Fourth Proportional to 39,330.66, 54,271.63 and 22,334.78

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Solution

The fourth proportional to 39,330.66, 54,271.63 and 22,334.78 is: 30,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,330.66 : 54,271.63 = 22,334.78 : x
  2. Step 2: Convert to fraction form
    39,330.66/54,271.63 = 22,334.78/x
  3. Step 3: Cross multiply
    39,330.66x = 54,271.63 × 22,334.78
  4. Step 4: Simplify right side
    39,330.66x = 1,212,144,916.29
  5. Step 5: Solve for x
    x = 1,212,144,916.29/39,330.66
  6. Step 6: Final answer
    x = 30,819.34

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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.