Home / 31,439.50-43,386.52-17,292.34

Finding the Fourth Proportional to 31,439.50, 43,386.52 and 17,292.34

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Solution

The fourth proportional to 31,439.50, 43,386.52 and 17,292.34 is: 23,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.50 : 43,386.52 = 17,292.34 : x
  2. Step 2: Convert to fraction form
    31,439.50/43,386.52 = 17,292.34/x
  3. Step 3: Cross multiply
    31,439.50x = 43,386.52 × 17,292.34
  4. Step 4: Simplify right side
    31,439.50x = 750,254,455.26
  5. Step 5: Solve for x
    x = 750,254,455.26/31,439.50
  6. Step 6: Final answer
    x = 23,863.43

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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.