Home / 31,322.90-43,228.18-17,898.37

Finding the Fourth Proportional to 31,322.90, 43,228.18 and 17,898.37

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Solution

The fourth proportional to 31,322.90, 43,228.18 and 17,898.37 is: 24,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.90 : 43,228.18 = 17,898.37 : x
  2. Step 2: Convert to fraction form
    31,322.90/43,228.18 = 17,898.37/x
  3. Step 3: Cross multiply
    31,322.90x = 43,228.18 × 17,898.37
  4. Step 4: Simplify right side
    31,322.90x = 773,713,874.37
  5. Step 5: Solve for x
    x = 773,713,874.37/31,322.90
  6. Step 6: Final answer
    x = 24,701.22

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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.