Home / 40,646.97-61,000.40-19,299.77

Finding the Fourth Proportional to 40,646.97, 61,000.40 and 19,299.77

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Solution

The fourth proportional to 40,646.97, 61,000.40 and 19,299.77 is: 28,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,646.97 : 61,000.40 = 19,299.77 : x
  2. Step 2: Convert to fraction form
    40,646.97/61,000.40 = 19,299.77/x
  3. Step 3: Cross multiply
    40,646.97x = 61,000.40 × 19,299.77
  4. Step 4: Simplify right side
    40,646.97x = 1,177,293,890.66
  5. Step 5: Solve for x
    x = 1,177,293,890.66/40,646.97
  6. Step 6: Final answer
    x = 28,963.88

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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.