Home / 39,818.30-59,689.98-13,504.34

Finding the Fourth Proportional to 39,818.30, 59,689.98 and 13,504.34

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Solution

The fourth proportional to 39,818.30, 59,689.98 and 13,504.34 is: 20,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.30 : 59,689.98 = 13,504.34 : x
  2. Step 2: Convert to fraction form
    39,818.30/59,689.98 = 13,504.34/x
  3. Step 3: Cross multiply
    39,818.30x = 59,689.98 × 13,504.34
  4. Step 4: Simplify right side
    39,818.30x = 806,073,784.51
  5. Step 5: Solve for x
    x = 806,073,784.51/39,818.30
  6. Step 6: Final answer
    x = 20,243.80

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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.