Home / 39,916.42-55,088.36-22,922.89

Finding the Fourth Proportional to 39,916.42, 55,088.36 and 22,922.89

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Solution

The fourth proportional to 39,916.42, 55,088.36 and 22,922.89 is: 31,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.42 : 55,088.36 = 22,922.89 : x
  2. Step 2: Convert to fraction form
    39,916.42/55,088.36 = 22,922.89/x
  3. Step 3: Cross multiply
    39,916.42x = 55,088.36 × 22,922.89
  4. Step 4: Simplify right side
    39,916.42x = 1,262,784,416.56
  5. Step 5: Solve for x
    x = 1,262,784,416.56/39,916.42
  6. Step 6: Final answer
    x = 31,635.71

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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.