Home / 31,237.99-43,108.36-17,090.85

Finding the Fourth Proportional to 31,237.99, 43,108.36 and 17,090.85

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Solution

The fourth proportional to 31,237.99, 43,108.36 and 17,090.85 is: 23,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.99 : 43,108.36 = 17,090.85 : x
  2. Step 2: Convert to fraction form
    31,237.99/43,108.36 = 17,090.85/x
  3. Step 3: Cross multiply
    31,237.99x = 43,108.36 × 17,090.85
  4. Step 4: Simplify right side
    31,237.99x = 736,758,514.51
  5. Step 5: Solve for x
    x = 736,758,514.51/31,237.99
  6. Step 6: Final answer
    x = 23,585.34

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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.