Home / 31,326.72-46,939.68-21,432.48

Finding the Fourth Proportional to 31,326.72, 46,939.68 and 21,432.48

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Solution

The fourth proportional to 31,326.72, 46,939.68 and 21,432.48 is: 32,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.72 : 46,939.68 = 21,432.48 : x
  2. Step 2: Convert to fraction form
    31,326.72/46,939.68 = 21,432.48/x
  3. Step 3: Cross multiply
    31,326.72x = 46,939.68 × 21,432.48
  4. Step 4: Simplify right side
    31,326.72x = 1,006,033,752.81
  5. Step 5: Solve for x
    x = 1,006,033,752.81/31,326.72
  6. Step 6: Final answer
    x = 32,114.24

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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.