Home / 31,520.48-47,284.97-10,453.19

Finding the Fourth Proportional to 31,520.48, 47,284.97 and 10,453.19

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Solution

The fourth proportional to 31,520.48, 47,284.97 and 10,453.19 is: 15,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.48 : 47,284.97 = 10,453.19 : x
  2. Step 2: Convert to fraction form
    31,520.48/47,284.97 = 10,453.19/x
  3. Step 3: Cross multiply
    31,520.48x = 47,284.97 × 10,453.19
  4. Step 4: Simplify right side
    31,520.48x = 494,278,486.86
  5. Step 5: Solve for x
    x = 494,278,486.86/31,520.48
  6. Step 6: Final answer
    x = 15,681.19

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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.