Home / 31,609.74-43,622.45-18,184.30

Finding the Fourth Proportional to 31,609.74, 43,622.45 and 18,184.30

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Solution

The fourth proportional to 31,609.74, 43,622.45 and 18,184.30 is: 25,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.74 : 43,622.45 = 18,184.30 : x
  2. Step 2: Convert to fraction form
    31,609.74/43,622.45 = 18,184.30/x
  3. Step 3: Cross multiply
    31,609.74x = 43,622.45 × 18,184.30
  4. Step 4: Simplify right side
    31,609.74x = 793,243,585.75
  5. Step 5: Solve for x
    x = 793,243,585.75/31,609.74
  6. Step 6: Final answer
    x = 25,094.91

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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.