Home / 40,891.24-61,336.79-12,813.45

Finding the Fourth Proportional to 40,891.24, 61,336.79 and 12,813.45

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Solution

The fourth proportional to 40,891.24, 61,336.79 and 12,813.45 is: 19,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.24 : 61,336.79 = 12,813.45 : x
  2. Step 2: Convert to fraction form
    40,891.24/61,336.79 = 12,813.45/x
  3. Step 3: Cross multiply
    40,891.24x = 61,336.79 × 12,813.45
  4. Step 4: Simplify right side
    40,891.24x = 785,935,891.83
  5. Step 5: Solve for x
    x = 785,935,891.83/40,891.24
  6. Step 6: Final answer
    x = 19,220.15

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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.