Home / 40,785.75-61,178.63-14,491.53

Finding the Fourth Proportional to 40,785.75, 61,178.63 and 14,491.53

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Solution

The fourth proportional to 40,785.75, 61,178.63 and 14,491.53 is: 21,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.75 : 61,178.63 = 14,491.53 : x
  2. Step 2: Convert to fraction form
    40,785.75/61,178.63 = 14,491.53/x
  3. Step 3: Cross multiply
    40,785.75x = 61,178.63 × 14,491.53
  4. Step 4: Simplify right side
    40,785.75x = 886,571,879.55
  5. Step 5: Solve for x
    x = 886,571,879.55/40,785.75
  6. Step 6: Final answer
    x = 21,737.30

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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.