Home / 55,840.38-83,760.57-18,901.50

Finding the Fourth Proportional to 55,840.38, 83,760.57 and 18,901.50

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Solution

The fourth proportional to 55,840.38, 83,760.57 and 18,901.50 is: 28,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840.38 : 83,760.57 = 18,901.50 : x
  2. Step 2: Convert to fraction form
    55,840.38/83,760.57 = 18,901.50/x
  3. Step 3: Cross multiply
    55,840.38x = 83,760.57 × 18,901.50
  4. Step 4: Simplify right side
    55,840.38x = 1,583,200,413.86
  5. Step 5: Solve for x
    x = 1,583,200,413.86/55,840.38
  6. Step 6: Final answer
    x = 28,352.25

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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.