Home / 39,413.76-59,111.70-11,333.76

Finding the Fourth Proportional to 39,413.76, 59,111.70 and 11,333.76

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Solution

The fourth proportional to 39,413.76, 59,111.70 and 11,333.76 is: 16,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.76 : 59,111.70 = 11,333.76 : x
  2. Step 2: Convert to fraction form
    39,413.76/59,111.70 = 11,333.76/x
  3. Step 3: Cross multiply
    39,413.76x = 59,111.70 × 11,333.76
  4. Step 4: Simplify right side
    39,413.76x = 669,957,820.99
  5. Step 5: Solve for x
    x = 669,957,820.99/39,413.76
  6. Step 6: Final answer
    x = 16,998.07

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1.5x scale

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.