Home / 31,345.58-43,250.51-18,593.16

Finding the Fourth Proportional to 31,345.58, 43,250.51 and 18,593.16

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Solution

The fourth proportional to 31,345.58, 43,250.51 and 18,593.16 is: 25,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.58 : 43,250.51 = 18,593.16 : x
  2. Step 2: Convert to fraction form
    31,345.58/43,250.51 = 18,593.16/x
  3. Step 3: Cross multiply
    31,345.58x = 43,250.51 × 18,593.16
  4. Step 4: Simplify right side
    31,345.58x = 804,163,559.55
  5. Step 5: Solve for x
    x = 804,163,559.55/31,345.58
  6. Step 6: Final answer
    x = 25,654.77

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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.