Home / 47,580.15-65,554.88-31,418.76

Finding the Fourth Proportional to 47,580.15, 65,554.88 and 31,418.76

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Solution

The fourth proportional to 47,580.15, 65,554.88 and 31,418.76 is: 43,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580.15 : 65,554.88 = 31,418.76 : x
  2. Step 2: Convert to fraction form
    47,580.15/65,554.88 = 31,418.76/x
  3. Step 3: Cross multiply
    47,580.15x = 65,554.88 × 31,418.76
  4. Step 4: Simplify right side
    47,580.15x = 2,059,652,884.46
  5. Step 5: Solve for x
    x = 2,059,652,884.46/47,580.15
  6. Step 6: Final answer
    x = 43,288.07

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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.