Home / 56,383.32-84,575.18-18,942.32

Finding the Fourth Proportional to 56,383.32, 84,575.18 and 18,942.32

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Solution

The fourth proportional to 56,383.32, 84,575.18 and 18,942.32 is: 28,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383.32 : 84,575.18 = 18,942.32 : x
  2. Step 2: Convert to fraction form
    56,383.32/84,575.18 = 18,942.32/x
  3. Step 3: Cross multiply
    56,383.32x = 84,575.18 × 18,942.32
  4. Step 4: Simplify right side
    56,383.32x = 1,602,050,123.62
  5. Step 5: Solve for x
    x = 1,602,050,123.62/56,383.32
  6. Step 6: Final answer
    x = 28,413.55

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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.