Home / 35,815.69-49,425.29-19,899.80

Finding the Fourth Proportional to 35,815.69, 49,425.29 and 19,899.80

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Solution

The fourth proportional to 35,815.69, 49,425.29 and 19,899.80 is: 27,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.69 : 49,425.29 = 19,899.80 : x
  2. Step 2: Convert to fraction form
    35,815.69/49,425.29 = 19,899.80/x
  3. Step 3: Cross multiply
    35,815.69x = 49,425.29 × 19,899.80
  4. Step 4: Simplify right side
    35,815.69x = 983,553,385.94
  5. Step 5: Solve for x
    x = 983,553,385.94/35,815.69
  6. Step 6: Final answer
    x = 27,461.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.