Home / 39,749.10-59,634.41-13,100.14

Finding the Fourth Proportional to 39,749.10, 59,634.41 and 13,100.14

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Solution

The fourth proportional to 39,749.10, 59,634.41 and 13,100.14 is: 19,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.10 : 59,634.41 = 13,100.14 : x
  2. Step 2: Convert to fraction form
    39,749.10/59,634.41 = 13,100.14/x
  3. Step 3: Cross multiply
    39,749.10x = 59,634.41 × 13,100.14
  4. Step 4: Simplify right side
    39,749.10x = 781,219,119.82
  5. Step 5: Solve for x
    x = 781,219,119.82/39,749.10
  6. Step 6: Final answer
    x = 19,653.76

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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.