Home / 47,970.12-66,201.40-26,749.36

Finding the Fourth Proportional to 47,970.12, 66,201.40 and 26,749.36

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Solution

The fourth proportional to 47,970.12, 66,201.40 and 26,749.36 is: 36,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,970.12 : 66,201.40 = 26,749.36 : x
  2. Step 2: Convert to fraction form
    47,970.12/66,201.40 = 26,749.36/x
  3. Step 3: Cross multiply
    47,970.12x = 66,201.40 × 26,749.36
  4. Step 4: Simplify right side
    47,970.12x = 1,770,845,081.10
  5. Step 5: Solve for x
    x = 1,770,845,081.10/47,970.12
  6. Step 6: Final answer
    x = 36,915.59

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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.