Home / 31,409.59-43,345.26-17,263.35

Finding the Fourth Proportional to 31,409.59, 43,345.26 and 17,263.35

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Solution

The fourth proportional to 31,409.59, 43,345.26 and 17,263.35 is: 23,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.59 : 43,345.26 = 17,263.35 : x
  2. Step 2: Convert to fraction form
    31,409.59/43,345.26 = 17,263.35/x
  3. Step 3: Cross multiply
    31,409.59x = 43,345.26 × 17,263.35
  4. Step 4: Simplify right side
    31,409.59x = 748,284,394.22
  5. Step 5: Solve for x
    x = 748,284,394.22/31,409.59
  6. Step 6: Final answer
    x = 23,823.44

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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.