Home / 47,977.84-66,186.84-31,204.72

Finding the Fourth Proportional to 47,977.84, 66,186.84 and 31,204.72

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Solution

The fourth proportional to 47,977.84, 66,186.84 and 31,204.72 is: 43,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.84 : 66,186.84 = 31,204.72 : x
  2. Step 2: Convert to fraction form
    47,977.84/66,186.84 = 31,204.72/x
  3. Step 3: Cross multiply
    47,977.84x = 66,186.84 × 31,204.72
  4. Step 4: Simplify right side
    47,977.84x = 2,065,341,809.88
  5. Step 5: Solve for x
    x = 2,065,341,809.88/47,977.84
  6. Step 6: Final answer
    x = 43,047.83

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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.