Home / 38,724.03-53,432.69-22,811.67

Finding the Fourth Proportional to 38,724.03, 53,432.69 and 22,811.67

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Solution

The fourth proportional to 38,724.03, 53,432.69 and 22,811.67 is: 31,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,724.03 : 53,432.69 = 22,811.67 : x
  2. Step 2: Convert to fraction form
    38,724.03/53,432.69 = 22,811.67/x
  3. Step 3: Cross multiply
    38,724.03x = 53,432.69 × 22,811.67
  4. Step 4: Simplify right side
    38,724.03x = 1,218,888,777.43
  5. Step 5: Solve for x
    x = 1,218,888,777.43/38,724.03
  6. Step 6: Final answer
    x = 31,476.29

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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.