Home / 47,721.71-71,473.55-22,779.32

Finding the Fourth Proportional to 47,721.71, 71,473.55 and 22,779.32

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Solution

The fourth proportional to 47,721.71, 71,473.55 and 22,779.32 is: 34,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.71 : 71,473.55 = 22,779.32 : x
  2. Step 2: Convert to fraction form
    47,721.71/71,473.55 = 22,779.32/x
  3. Step 3: Cross multiply
    47,721.71x = 71,473.55 × 22,779.32
  4. Step 4: Simplify right side
    47,721.71x = 1,628,118,523.86
  5. Step 5: Solve for x
    x = 1,628,118,523.86/47,721.71
  6. Step 6: Final answer
    x = 34,116.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.