Home / 47,971.88-66,306.30-42,263

Finding the Fourth Proportional to 47,971.88, 66,306.30 and 42,263

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Solution

The fourth proportional to 47,971.88, 66,306.30 and 42,263 is: 58,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.88 : 66,306.30 = 42,263 : x
  2. Step 2: Convert to fraction form
    47,971.88/66,306.30 = 42,263/x
  3. Step 3: Cross multiply
    47,971.88x = 66,306.30 × 42,263
  4. Step 4: Simplify right side
    47,971.88x = 2,802,303,156.90
  5. Step 5: Solve for x
    x = 2,802,303,156.90/47,971.88
  6. Step 6: Final answer
    x = 58,415.54

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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.