Home / 39,598.16-59,390.91-12,943.95

Finding the Fourth Proportional to 39,598.16, 59,390.91 and 12,943.95

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Solution

The fourth proportional to 39,598.16, 59,390.91 and 12,943.95 is: 19,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,598.16 : 59,390.91 = 12,943.95 : x
  2. Step 2: Convert to fraction form
    39,598.16/59,390.91 = 12,943.95/x
  3. Step 3: Cross multiply
    39,598.16x = 59,390.91 × 12,943.95
  4. Step 4: Simplify right side
    39,598.16x = 768,752,969.49
  5. Step 5: Solve for x
    x = 768,752,969.49/39,598.16
  6. Step 6: Final answer
    x = 19,413.86

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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.