Home / 38,218.24-52,741.56-21,222.84

Finding the Fourth Proportional to 38,218.24, 52,741.56 and 21,222.84

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Solution

The fourth proportional to 38,218.24, 52,741.56 and 21,222.84 is: 29,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.24 : 52,741.56 = 21,222.84 : x
  2. Step 2: Convert to fraction form
    38,218.24/52,741.56 = 21,222.84/x
  3. Step 3: Cross multiply
    38,218.24x = 52,741.56 × 21,222.84
  4. Step 4: Simplify right side
    38,218.24x = 1,119,325,689.23
  5. Step 5: Solve for x
    x = 1,119,325,689.23/38,218.24
  6. Step 6: Final answer
    x = 29,287.74

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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.