Home / 39,748.11-59,629.77-13,101.79

Finding the Fourth Proportional to 39,748.11, 59,629.77 and 13,101.79

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Solution

The fourth proportional to 39,748.11, 59,629.77 and 13,101.79 is: 19,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.11 : 59,629.77 = 13,101.79 : x
  2. Step 2: Convert to fraction form
    39,748.11/59,629.77 = 13,101.79/x
  3. Step 3: Cross multiply
    39,748.11x = 59,629.77 × 13,101.79
  4. Step 4: Simplify right side
    39,748.11x = 781,256,724.29
  5. Step 5: Solve for x
    x = 781,256,724.29/39,748.11
  6. Step 6: Final answer
    x = 19,655.19

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1.5x scale

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.