Home / 39,756.96-59,637.96-13,104.72

Finding the Fourth Proportional to 39,756.96, 59,637.96 and 13,104.72

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Solution

The fourth proportional to 39,756.96, 59,637.96 and 13,104.72 is: 19,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,756.96 : 59,637.96 = 13,104.72 : x
  2. Step 2: Convert to fraction form
    39,756.96/59,637.96 = 13,104.72/x
  3. Step 3: Cross multiply
    39,756.96x = 59,637.96 × 13,104.72
  4. Step 4: Simplify right side
    39,756.96x = 781,538,767.17
  5. Step 5: Solve for x
    x = 781,538,767.17/39,756.96
  6. Step 6: Final answer
    x = 19,657.91

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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.