Home / 38,207.68-52,725.74-21,210.92

Finding the Fourth Proportional to 38,207.68, 52,725.74 and 21,210.92

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Solution

The fourth proportional to 38,207.68, 52,725.74 and 21,210.92 is: 29,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.68 : 52,725.74 = 21,210.92 : x
  2. Step 2: Convert to fraction form
    38,207.68/52,725.74 = 21,210.92/x
  3. Step 3: Cross multiply
    38,207.68x = 52,725.74 × 21,210.92
  4. Step 4: Simplify right side
    38,207.68x = 1,118,361,453.08
  5. Step 5: Solve for x
    x = 1,118,361,453.08/38,207.68
  6. Step 6: Final answer
    x = 29,270.59

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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.