Home / 31,330.02-47,004.78-10,270.24

Finding the Fourth Proportional to 31,330.02, 47,004.78 and 10,270.24

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Solution

The fourth proportional to 31,330.02, 47,004.78 and 10,270.24 is: 15,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.02 : 47,004.78 = 10,270.24 : x
  2. Step 2: Convert to fraction form
    31,330.02/47,004.78 = 10,270.24/x
  3. Step 3: Cross multiply
    31,330.02x = 47,004.78 × 10,270.24
  4. Step 4: Simplify right side
    31,330.02x = 482,750,371.75
  5. Step 5: Solve for x
    x = 482,750,371.75/31,330.02
  6. Step 6: Final answer
    x = 15,408.56

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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.