Home / 31,439.54-43,386.44-17,292.08

Finding the Fourth Proportional to 31,439.54, 43,386.44 and 17,292.08

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Solution

The fourth proportional to 31,439.54, 43,386.44 and 17,292.08 is: 23,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.54 : 43,386.44 = 17,292.08 : x
  2. Step 2: Convert to fraction form
    31,439.54/43,386.44 = 17,292.08/x
  3. Step 3: Cross multiply
    31,439.54x = 43,386.44 × 17,292.08
  4. Step 4: Simplify right side
    31,439.54x = 750,241,813.40
  5. Step 5: Solve for x
    x = 750,241,813.40/31,439.54
  6. Step 6: Final answer
    x = 23,863.00

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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.