Home / 31,703.02-43,749.62-17,555.56

Finding the Fourth Proportional to 31,703.02, 43,749.62 and 17,555.56

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Solution

The fourth proportional to 31,703.02, 43,749.62 and 17,555.56 is: 24,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.02 : 43,749.62 = 17,555.56 : x
  2. Step 2: Convert to fraction form
    31,703.02/43,749.62 = 17,555.56/x
  3. Step 3: Cross multiply
    31,703.02x = 43,749.62 × 17,555.56
  4. Step 4: Simplify right side
    31,703.02x = 768,048,772.36
  5. Step 5: Solve for x
    x = 768,048,772.36/31,703.02
  6. Step 6: Final answer
    x = 24,226.36

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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.