Home / 31,720.20-43,776.54-17,574.36

Finding the Fourth Proportional to 31,720.20, 43,776.54 and 17,574.36

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Solution

The fourth proportional to 31,720.20, 43,776.54 and 17,574.36 is: 24,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.20 : 43,776.54 = 17,574.36 : x
  2. Step 2: Convert to fraction form
    31,720.20/43,776.54 = 17,574.36/x
  3. Step 3: Cross multiply
    31,720.20x = 43,776.54 × 17,574.36
  4. Step 4: Simplify right side
    31,720.20x = 769,344,673.51
  5. Step 5: Solve for x
    x = 769,344,673.51/31,720.20
  6. Step 6: Final answer
    x = 24,254.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.