Home / 40,772.94-61,168.62-14,477.70

Finding the Fourth Proportional to 40,772.94, 61,168.62 and 14,477.70

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Solution

The fourth proportional to 40,772.94, 61,168.62 and 14,477.70 is: 21,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.94 : 61,168.62 = 14,477.70 : x
  2. Step 2: Convert to fraction form
    40,772.94/61,168.62 = 14,477.70/x
  3. Step 3: Cross multiply
    40,772.94x = 61,168.62 × 14,477.70
  4. Step 4: Simplify right side
    40,772.94x = 885,580,929.77
  5. Step 5: Solve for x
    x = 885,580,929.77/40,772.94
  6. Step 6: Final answer
    x = 21,719.82

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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.