Home / 38,888.34-53,665.83-22,121.34

Finding the Fourth Proportional to 38,888.34, 53,665.83 and 22,121.34

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Solution

The fourth proportional to 38,888.34, 53,665.83 and 22,121.34 is: 30,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.34 : 53,665.83 = 22,121.34 : x
  2. Step 2: Convert to fraction form
    38,888.34/53,665.83 = 22,121.34/x
  3. Step 3: Cross multiply
    38,888.34x = 53,665.83 × 22,121.34
  4. Step 4: Simplify right side
    38,888.34x = 1,187,160,071.81
  5. Step 5: Solve for x
    x = 1,187,160,071.81/38,888.34
  6. Step 6: Final answer
    x = 30,527.40

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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.