Home / 38,214.15-52,734.55-21,217.87

Finding the Fourth Proportional to 38,214.15, 52,734.55 and 21,217.87

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Solution

The fourth proportional to 38,214.15, 52,734.55 and 21,217.87 is: 29,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214.15 : 52,734.55 = 21,217.87 : x
  2. Step 2: Convert to fraction form
    38,214.15/52,734.55 = 21,217.87/x
  3. Step 3: Cross multiply
    38,214.15x = 52,734.55 × 21,217.87
  4. Step 4: Simplify right side
    38,214.15x = 1,118,914,826.41
  5. Step 5: Solve for x
    x = 1,118,914,826.41/38,214.15
  6. Step 6: Final answer
    x = 29,280.12

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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.