Home / 47,342.27-65,323.23-28,480.61

Finding the Fourth Proportional to 47,342.27, 65,323.23 and 28,480.61

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Solution

The fourth proportional to 47,342.27, 65,323.23 and 28,480.61 is: 39,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.27 : 65,323.23 = 28,480.61 : x
  2. Step 2: Convert to fraction form
    47,342.27/65,323.23 = 28,480.61/x
  3. Step 3: Cross multiply
    47,342.27x = 65,323.23 × 28,480.61
  4. Step 4: Simplify right side
    47,342.27x = 1,860,445,437.57
  5. Step 5: Solve for x
    x = 1,860,445,437.57/47,342.27
  6. Step 6: Final answer
    x = 39,297.77

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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.