Home / 47,980.34-66,191.47-27,825.56

Finding the Fourth Proportional to 47,980.34, 66,191.47 and 27,825.56

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Solution

The fourth proportional to 47,980.34, 66,191.47 and 27,825.56 is: 38,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.34 : 66,191.47 = 27,825.56 : x
  2. Step 2: Convert to fraction form
    47,980.34/66,191.47 = 27,825.56/x
  3. Step 3: Cross multiply
    47,980.34x = 66,191.47 × 27,825.56
  4. Step 4: Simplify right side
    47,980.34x = 1,841,814,249.89
  5. Step 5: Solve for x
    x = 1,841,814,249.89/47,980.34
  6. Step 6: Final answer
    x = 38,386.85

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1.5x scale

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.