Home / 31,314.66-46,854.28-21,972.90

Finding the Fourth Proportional to 31,314.66, 46,854.28 and 21,972.90

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Solution

The fourth proportional to 31,314.66, 46,854.28 and 21,972.90 is: 32,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.66 : 46,854.28 = 21,972.90 : x
  2. Step 2: Convert to fraction form
    31,314.66/46,854.28 = 21,972.90/x
  3. Step 3: Cross multiply
    31,314.66x = 46,854.28 × 21,972.90
  4. Step 4: Simplify right side
    31,314.66x = 1,029,524,612.18
  5. Step 5: Solve for x
    x = 1,029,524,612.18/31,314.66
  6. Step 6: Final answer
    x = 32,876.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.