Home / 38,701.58-53,419.22-22,795.20

Finding the Fourth Proportional to 38,701.58, 53,419.22 and 22,795.20

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Solution

The fourth proportional to 38,701.58, 53,419.22 and 22,795.20 is: 31,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701.58 : 53,419.22 = 22,795.20 : x
  2. Step 2: Convert to fraction form
    38,701.58/53,419.22 = 22,795.20/x
  3. Step 3: Cross multiply
    38,701.58x = 53,419.22 × 22,795.20
  4. Step 4: Simplify right side
    38,701.58x = 1,217,701,803.74
  5. Step 5: Solve for x
    x = 1,217,701,803.74/38,701.58
  6. Step 6: Final answer
    x = 31,463.88

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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.