Home / 38,787.17-53,529.41-22,659.67

Finding the Fourth Proportional to 38,787.17, 53,529.41 and 22,659.67

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Solution

The fourth proportional to 38,787.17, 53,529.41 and 22,659.67 is: 31,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.17 : 53,529.41 = 22,659.67 : x
  2. Step 2: Convert to fraction form
    38,787.17/53,529.41 = 22,659.67/x
  3. Step 3: Cross multiply
    38,787.17x = 53,529.41 × 22,659.67
  4. Step 4: Simplify right side
    38,787.17x = 1,212,958,688.72
  5. Step 5: Solve for x
    x = 1,212,958,688.72/38,787.17
  6. Step 6: Final answer
    x = 31,272.16

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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.