Home / 40,783.77-61,151.36-14,121

Finding the Fourth Proportional to 40,783.77, 61,151.36 and 14,121

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Solution

The fourth proportional to 40,783.77, 61,151.36 and 14,121 is: 21,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.77 : 61,151.36 = 14,121 : x
  2. Step 2: Convert to fraction form
    40,783.77/61,151.36 = 14,121/x
  3. Step 3: Cross multiply
    40,783.77x = 61,151.36 × 14,121
  4. Step 4: Simplify right side
    40,783.77x = 863,518,283.96
  5. Step 5: Solve for x
    x = 863,518,283.96/40,783.77
  6. Step 6: Final answer
    x = 21,173.09

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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.