Home / 39,695.58-54,778.28-23,788.80

Finding the Fourth Proportional to 39,695.58, 54,778.28 and 23,788.80

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Solution

The fourth proportional to 39,695.58, 54,778.28 and 23,788.80 is: 32,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,695.58 : 54,778.28 = 23,788.80 : x
  2. Step 2: Convert to fraction form
    39,695.58/54,778.28 = 23,788.80/x
  3. Step 3: Cross multiply
    39,695.58x = 54,778.28 × 23,788.80
  4. Step 4: Simplify right side
    39,695.58x = 1,303,109,428.32
  5. Step 5: Solve for x
    x = 1,303,109,428.32/39,695.58
  6. Step 6: Final answer
    x = 32,827.57

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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.