Home / 47,978.52-66,222.23-32,690.36

Finding the Fourth Proportional to 47,978.52, 66,222.23 and 32,690.36

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Solution

The fourth proportional to 47,978.52, 66,222.23 and 32,690.36 is: 45,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,978.52 : 66,222.23 = 32,690.36 : x
  2. Step 2: Convert to fraction form
    47,978.52/66,222.23 = 32,690.36/x
  3. Step 3: Cross multiply
    47,978.52x = 66,222.23 × 32,690.36
  4. Step 4: Simplify right side
    47,978.52x = 2,164,828,538.70
  5. Step 5: Solve for x
    x = 2,164,828,538.70/47,978.52
  6. Step 6: Final answer
    x = 45,120.79

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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.