Home / 47,394.56-65,348.16-31,453.76

Finding the Fourth Proportional to 47,394.56, 65,348.16 and 31,453.76

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Solution

The fourth proportional to 47,394.56, 65,348.16 and 31,453.76 is: 43,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.56 : 65,348.16 = 31,453.76 : x
  2. Step 2: Convert to fraction form
    47,394.56/65,348.16 = 31,453.76/x
  3. Step 3: Cross multiply
    47,394.56x = 65,348.16 × 31,453.76
  4. Step 4: Simplify right side
    47,394.56x = 2,055,445,341.08
  5. Step 5: Solve for x
    x = 2,055,445,341.08/47,394.56
  6. Step 6: Final answer
    x = 43,368.80

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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.