Home / 23,117.46-31,919.85-19,161.42

Finding the Fourth Proportional to 23,117.46, 31,919.85 and 19,161.42

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Solution

The fourth proportional to 23,117.46, 31,919.85 and 19,161.42 is: 26,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.46 : 31,919.85 = 19,161.42 : x
  2. Step 2: Convert to fraction form
    23,117.46/31,919.85 = 19,161.42/x
  3. Step 3: Cross multiply
    23,117.46x = 31,919.85 × 19,161.42
  4. Step 4: Simplify right side
    23,117.46x = 611,629,652.19
  5. Step 5: Solve for x
    x = 611,629,652.19/23,117.46
  6. Step 6: Final answer
    x = 26,457.48

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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.