Home / 40,317.08-55,637.78-22,413.76

Finding the Fourth Proportional to 40,317.08, 55,637.78 and 22,413.76

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Solution

The fourth proportional to 40,317.08, 55,637.78 and 22,413.76 is: 30,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.08 : 55,637.78 = 22,413.76 : x
  2. Step 2: Convert to fraction form
    40,317.08/55,637.78 = 22,413.76/x
  3. Step 3: Cross multiply
    40,317.08x = 55,637.78 × 22,413.76
  4. Step 4: Simplify right side
    40,317.08x = 1,247,051,847.85
  5. Step 5: Solve for x
    x = 1,247,051,847.85/40,317.08
  6. Step 6: Final answer
    x = 30,931.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.