Home / 31,409.07-43,345.43-17,262.83

Finding the Fourth Proportional to 31,409.07, 43,345.43 and 17,262.83

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Solution

The fourth proportional to 31,409.07, 43,345.43 and 17,262.83 is: 23,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.07 : 43,345.43 = 17,262.83 : x
  2. Step 2: Convert to fraction form
    31,409.07/43,345.43 = 17,262.83/x
  3. Step 3: Cross multiply
    31,409.07x = 43,345.43 × 17,262.83
  4. Step 4: Simplify right side
    31,409.07x = 748,264,486.33
  5. Step 5: Solve for x
    x = 748,264,486.33/31,409.07
  6. Step 6: Final answer
    x = 23,823.20

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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.