Home / 31,246.07-46,854.52-18,102.20

Finding the Fourth Proportional to 31,246.07, 46,854.52 and 18,102.20

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Solution

The fourth proportional to 31,246.07, 46,854.52 and 18,102.20 is: 27,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.07 : 46,854.52 = 18,102.20 : x
  2. Step 2: Convert to fraction form
    31,246.07/46,854.52 = 18,102.20/x
  3. Step 3: Cross multiply
    31,246.07x = 46,854.52 × 18,102.20
  4. Step 4: Simplify right side
    31,246.07x = 848,169,612.42
  5. Step 5: Solve for x
    x = 848,169,612.42/31,246.07
  6. Step 6: Final answer
    x = 27,144.85

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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.