Home / 39,616.16-59,443.80-18,557.66

Finding the Fourth Proportional to 39,616.16, 59,443.80 and 18,557.66

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Solution

The fourth proportional to 39,616.16, 59,443.80 and 18,557.66 is: 27,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.16 : 59,443.80 = 18,557.66 : x
  2. Step 2: Convert to fraction form
    39,616.16/59,443.80 = 18,557.66/x
  3. Step 3: Cross multiply
    39,616.16x = 59,443.80 × 18,557.66
  4. Step 4: Simplify right side
    39,616.16x = 1,103,137,829.51
  5. Step 5: Solve for x
    x = 1,103,137,829.51/39,616.16
  6. Step 6: Final answer
    x = 27,845.65

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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.