Home / 40,872.47-61,308.74-12,794.92

Finding the Fourth Proportional to 40,872.47, 61,308.74 and 12,794.92

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Solution

The fourth proportional to 40,872.47, 61,308.74 and 12,794.92 is: 19,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.47 : 61,308.74 = 12,794.92 : x
  2. Step 2: Convert to fraction form
    40,872.47/61,308.74 = 12,794.92/x
  3. Step 3: Cross multiply
    40,872.47x = 61,308.74 × 12,794.92
  4. Step 4: Simplify right side
    40,872.47x = 784,440,302.32
  5. Step 5: Solve for x
    x = 784,440,302.32/40,872.47
  6. Step 6: Final answer
    x = 19,192.39

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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.