Home / 39,299.06-54,112.59-29,622.57

Finding the Fourth Proportional to 39,299.06, 54,112.59 and 29,622.57

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Solution

The fourth proportional to 39,299.06, 54,112.59 and 29,622.57 is: 40,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.06 : 54,112.59 = 29,622.57 : x
  2. Step 2: Convert to fraction form
    39,299.06/54,112.59 = 29,622.57/x
  3. Step 3: Cross multiply
    39,299.06x = 54,112.59 × 29,622.57
  4. Step 4: Simplify right side
    39,299.06x = 1,602,953,985.16
  5. Step 5: Solve for x
    x = 1,602,953,985.16/39,299.06
  6. Step 6: Final answer
    x = 40,788.61

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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.