Home / 39,764.31-59,656.22-19,783.23

Finding the Fourth Proportional to 39,764.31, 59,656.22 and 19,783.23

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Solution

The fourth proportional to 39,764.31, 59,656.22 and 19,783.23 is: 29,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.31 : 59,656.22 = 19,783.23 : x
  2. Step 2: Convert to fraction form
    39,764.31/59,656.22 = 19,783.23/x
  3. Step 3: Cross multiply
    39,764.31x = 59,656.22 × 19,783.23
  4. Step 4: Simplify right side
    39,764.31x = 1,180,192,721.19
  5. Step 5: Solve for x
    x = 1,180,192,721.19/39,764.31
  6. Step 6: Final answer
    x = 29,679.70

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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.