Home / 47,985.66-66,236.72-28,876.14

Finding the Fourth Proportional to 47,985.66, 66,236.72 and 28,876.14

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Solution

The fourth proportional to 47,985.66, 66,236.72 and 28,876.14 is: 39,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.66 : 66,236.72 = 28,876.14 : x
  2. Step 2: Convert to fraction form
    47,985.66/66,236.72 = 28,876.14/x
  3. Step 3: Cross multiply
    47,985.66x = 66,236.72 × 28,876.14
  4. Step 4: Simplify right side
    47,985.66x = 1,912,660,655.48
  5. Step 5: Solve for x
    x = 1,912,660,655.48/47,985.66
  6. Step 6: Final answer
    x = 39,859.00

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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.