Home / 23,100.93-31,879.28-13,029.35

Finding the Fourth Proportional to 23,100.93, 31,879.28 and 13,029.35

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Solution

The fourth proportional to 23,100.93, 31,879.28 and 13,029.35 is: 17,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100.93 : 31,879.28 = 13,029.35 : x
  2. Step 2: Convert to fraction form
    23,100.93/31,879.28 = 13,029.35/x
  3. Step 3: Cross multiply
    23,100.93x = 31,879.28 × 13,029.35
  4. Step 4: Simplify right side
    23,100.93x = 415,366,296.87
  5. Step 5: Solve for x
    x = 415,366,296.87/23,100.93
  6. Step 6: Final answer
    x = 17,980.50

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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.