Home / 31,703.04-43,751.16-17,557.20

Finding the Fourth Proportional to 31,703.04, 43,751.16 and 17,557.20

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Solution

The fourth proportional to 31,703.04, 43,751.16 and 17,557.20 is: 24,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.04 : 43,751.16 = 17,557.20 : x
  2. Step 2: Convert to fraction form
    31,703.04/43,751.16 = 17,557.20/x
  3. Step 3: Cross multiply
    31,703.04x = 43,751.16 × 17,557.20
  4. Step 4: Simplify right side
    31,703.04x = 768,147,866.35
  5. Step 5: Solve for x
    x = 768,147,866.35/31,703.04
  6. Step 6: Final answer
    x = 24,229.47

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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.