Home / 31,411.13-43,347.42-17,264.07

Finding the Fourth Proportional to 31,411.13, 43,347.42 and 17,264.07

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Solution

The fourth proportional to 31,411.13, 43,347.42 and 17,264.07 is: 23,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.13 : 43,347.42 = 17,264.07 : x
  2. Step 2: Convert to fraction form
    31,411.13/43,347.42 = 17,264.07/x
  3. Step 3: Cross multiply
    31,411.13x = 43,347.42 × 17,264.07
  4. Step 4: Simplify right side
    31,411.13x = 748,352,893.20
  5. Step 5: Solve for x
    x = 748,352,893.20/31,411.13
  6. Step 6: Final answer
    x = 23,824.45

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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.