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Finding the Fourth Proportional to 38,390.51, 52,947.57 and 32,234.44

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Solution

The fourth proportional to 38,390.51, 52,947.57 and 32,234.44 is: 44,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.51 : 52,947.57 = 32,234.44 : x
  2. Step 2: Convert to fraction form
    38,390.51/52,947.57 = 32,234.44/x
  3. Step 3: Cross multiply
    38,390.51x = 52,947.57 × 32,234.44
  4. Step 4: Simplify right side
    38,390.51x = 1,706,735,268.31
  5. Step 5: Solve for x
    x = 1,706,735,268.31/38,390.51
  6. Step 6: Final answer
    x = 44,457.22

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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.