Home / 47,325.06-65,315.57-31,189.86

Finding the Fourth Proportional to 47,325.06, 65,315.57 and 31,189.86

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Solution

The fourth proportional to 47,325.06, 65,315.57 and 31,189.86 is: 43,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,325.06 : 65,315.57 = 31,189.86 : x
  2. Step 2: Convert to fraction form
    47,325.06/65,315.57 = 31,189.86/x
  3. Step 3: Cross multiply
    47,325.06x = 65,315.57 × 31,189.86
  4. Step 4: Simplify right side
    47,325.06x = 2,037,183,328.17
  5. Step 5: Solve for x
    x = 2,037,183,328.17/47,325.06
  6. Step 6: Final answer
    x = 43,046.61

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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.