Home / 39,110.91-58,383.12-34,381.72

Finding the Fourth Proportional to 39,110.91, 58,383.12 and 34,381.72

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Solution

The fourth proportional to 39,110.91, 58,383.12 and 34,381.72 is: 51,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.91 : 58,383.12 = 34,381.72 : x
  2. Step 2: Convert to fraction form
    39,110.91/58,383.12 = 34,381.72/x
  3. Step 3: Cross multiply
    39,110.91x = 58,383.12 × 34,381.72
  4. Step 4: Simplify right side
    39,110.91x = 2,007,312,084.57
  5. Step 5: Solve for x
    x = 2,007,312,084.57/39,110.91
  6. Step 6: Final answer
    x = 51,323.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.