Home / 31,494.58-43,459.37-19,393.13

Finding the Fourth Proportional to 31,494.58, 43,459.37 and 19,393.13

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Solution

The fourth proportional to 31,494.58, 43,459.37 and 19,393.13 is: 26,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,494.58 : 43,459.37 = 19,393.13 : x
  2. Step 2: Convert to fraction form
    31,494.58/43,459.37 = 19,393.13/x
  3. Step 3: Cross multiply
    31,494.58x = 43,459.37 × 19,393.13
  4. Step 4: Simplify right side
    31,494.58x = 842,812,994.83
  5. Step 5: Solve for x
    x = 842,812,994.83/31,494.58
  6. Step 6: Final answer
    x = 26,760.57

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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.