Home / 31,331.80-43,237.32-17,719.63

Finding the Fourth Proportional to 31,331.80, 43,237.32 and 17,719.63

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Solution

The fourth proportional to 31,331.80, 43,237.32 and 17,719.63 is: 24,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.80 : 43,237.32 = 17,719.63 : x
  2. Step 2: Convert to fraction form
    31,331.80/43,237.32 = 17,719.63/x
  3. Step 3: Cross multiply
    31,331.80x = 43,237.32 × 17,719.63
  4. Step 4: Simplify right side
    31,331.80x = 766,149,312.59
  5. Step 5: Solve for x
    x = 766,149,312.59/31,331.80
  6. Step 6: Final answer
    x = 24,452.77

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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.