Home / 40,893.24-61,339.78-12,815.46

Finding the Fourth Proportional to 40,893.24, 61,339.78 and 12,815.46

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Solution

The fourth proportional to 40,893.24, 61,339.78 and 12,815.46 is: 19,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,893.24 : 61,339.78 = 12,815.46 : x
  2. Step 2: Convert to fraction form
    40,893.24/61,339.78 = 12,815.46/x
  3. Step 3: Cross multiply
    40,893.24x = 61,339.78 × 12,815.46
  4. Step 4: Simplify right side
    40,893.24x = 786,097,497.00
  5. Step 5: Solve for x
    x = 786,097,497.00/40,893.24
  6. Step 6: Final answer
    x = 19,223.16

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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.