Home / 40,904.37-61,357.32-12,823.80

Finding the Fourth Proportional to 40,904.37, 61,357.32 and 12,823.80

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Solution

The fourth proportional to 40,904.37, 61,357.32 and 12,823.80 is: 19,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.37 : 61,357.32 = 12,823.80 : x
  2. Step 2: Convert to fraction form
    40,904.37/61,357.32 = 12,823.80/x
  3. Step 3: Cross multiply
    40,904.37x = 61,357.32 × 12,823.80
  4. Step 4: Simplify right side
    40,904.37x = 786,834,000.22
  5. Step 5: Solve for x
    x = 786,834,000.22/40,904.37
  6. Step 6: Final answer
    x = 19,235.94

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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.