Home / 39,411.15-59,115.07-18,343.95

Finding the Fourth Proportional to 39,411.15, 59,115.07 and 18,343.95

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Solution

The fourth proportional to 39,411.15, 59,115.07 and 18,343.95 is: 27,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.15 : 59,115.07 = 18,343.95 : x
  2. Step 2: Convert to fraction form
    39,411.15/59,115.07 = 18,343.95/x
  3. Step 3: Cross multiply
    39,411.15x = 59,115.07 × 18,343.95
  4. Step 4: Simplify right side
    39,411.15x = 1,084,403,888.33
  5. Step 5: Solve for x
    x = 1,084,403,888.33/39,411.15
  6. Step 6: Final answer
    x = 27,515.15

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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.