Home / 39,645.64-54,778.98-38,226.52

Finding the Fourth Proportional to 39,645.64, 54,778.98 and 38,226.52

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Solution

The fourth proportional to 39,645.64, 54,778.98 and 38,226.52 is: 52,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.64 : 54,778.98 = 38,226.52 : x
  2. Step 2: Convert to fraction form
    39,645.64/54,778.98 = 38,226.52/x
  3. Step 3: Cross multiply
    39,645.64x = 54,778.98 × 38,226.52
  4. Step 4: Simplify right side
    39,645.64x = 2,094,009,774.55
  5. Step 5: Solve for x
    x = 2,094,009,774.55/39,645.64
  6. Step 6: Final answer
    x = 52,818.16

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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.