Home / 40,904.61-61,357.02-12,441.81

Finding the Fourth Proportional to 40,904.61, 61,357.02 and 12,441.81

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Solution

The fourth proportional to 40,904.61, 61,357.02 and 12,441.81 is: 18,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.61 : 61,357.02 = 12,441.81 : x
  2. Step 2: Convert to fraction form
    40,904.61/61,357.02 = 12,441.81/x
  3. Step 3: Cross multiply
    40,904.61x = 61,357.02 × 12,441.81
  4. Step 4: Simplify right side
    40,904.61x = 763,392,385.01
  5. Step 5: Solve for x
    x = 763,392,385.01/40,904.61
  6. Step 6: Final answer
    x = 18,662.75

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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.