Home / 39,622.46-59,419.53-18,558.90

Finding the Fourth Proportional to 39,622.46, 59,419.53 and 18,558.90

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Solution

The fourth proportional to 39,622.46, 59,419.53 and 18,558.90 is: 27,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,622.46 : 59,419.53 = 18,558.90 : x
  2. Step 2: Convert to fraction form
    39,622.46/59,419.53 = 18,558.90/x
  3. Step 3: Cross multiply
    39,622.46x = 59,419.53 × 18,558.90
  4. Step 4: Simplify right side
    39,622.46x = 1,102,761,115.32
  5. Step 5: Solve for x
    x = 1,102,761,115.32/39,622.46
  6. Step 6: Final answer
    x = 27,831.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.