Home / 31,237.61-43,108.91-17,090.43

Finding the Fourth Proportional to 31,237.61, 43,108.91 and 17,090.43

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Solution

The fourth proportional to 31,237.61, 43,108.91 and 17,090.43 is: 23,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.61 : 43,108.91 = 17,090.43 : x
  2. Step 2: Convert to fraction form
    31,237.61/43,108.91 = 17,090.43/x
  3. Step 3: Cross multiply
    31,237.61x = 43,108.91 × 17,090.43
  4. Step 4: Simplify right side
    31,237.61x = 736,749,723.28
  5. Step 5: Solve for x
    x = 736,749,723.28/31,237.61
  6. Step 6: Final answer
    x = 23,585.35

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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.