Home / 47,327.16-65,290.80-31,173.60

Finding the Fourth Proportional to 47,327.16, 65,290.80 and 31,173.60

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Solution

The fourth proportional to 47,327.16, 65,290.80 and 31,173.60 is: 43,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,327.16 : 65,290.80 = 31,173.60 : x
  2. Step 2: Convert to fraction form
    47,327.16/65,290.80 = 31,173.60/x
  3. Step 3: Cross multiply
    47,327.16x = 65,290.80 × 31,173.60
  4. Step 4: Simplify right side
    47,327.16x = 2,035,349,282.88
  5. Step 5: Solve for x
    x = 2,035,349,282.88/47,327.16
  6. Step 6: Final answer
    x = 43,005.95

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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.