Home / 39,797.06-59,682.71-13,137.06

Finding the Fourth Proportional to 39,797.06, 59,682.71 and 13,137.06

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Solution

The fourth proportional to 39,797.06, 59,682.71 and 13,137.06 is: 19,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,797.06 : 59,682.71 = 13,137.06 : x
  2. Step 2: Convert to fraction form
    39,797.06/59,682.71 = 13,137.06/x
  3. Step 3: Cross multiply
    39,797.06x = 59,682.71 × 13,137.06
  4. Step 4: Simplify right side
    39,797.06x = 784,055,342.23
  5. Step 5: Solve for x
    x = 784,055,342.23/39,797.06
  6. Step 6: Final answer
    x = 19,701.34

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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.