Home / 39,966.58-59,979.12-19,204.66

Finding the Fourth Proportional to 39,966.58, 59,979.12 and 19,204.66

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Solution

The fourth proportional to 39,966.58, 59,979.12 and 19,204.66 is: 28,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.58 : 59,979.12 = 19,204.66 : x
  2. Step 2: Convert to fraction form
    39,966.58/59,979.12 = 19,204.66/x
  3. Step 3: Cross multiply
    39,966.58x = 59,979.12 × 19,204.66
  4. Step 4: Simplify right side
    39,966.58x = 1,151,878,606.70
  5. Step 5: Solve for x
    x = 1,151,878,606.70/39,966.58
  6. Step 6: Final answer
    x = 28,821.05

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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.