Home / 31,595.94-43,598.20-18,850.59

Finding the Fourth Proportional to 31,595.94, 43,598.20 and 18,850.59

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Solution

The fourth proportional to 31,595.94, 43,598.20 and 18,850.59 is: 26,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.94 : 43,598.20 = 18,850.59 : x
  2. Step 2: Convert to fraction form
    31,595.94/43,598.20 = 18,850.59/x
  3. Step 3: Cross multiply
    31,595.94x = 43,598.20 × 18,850.59
  4. Step 4: Simplify right side
    31,595.94x = 821,851,781.16
  5. Step 5: Solve for x
    x = 821,851,781.16/31,595.94
  6. Step 6: Final answer
    x = 26,011.31

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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.