Home / 31,395.79-47,097.56-10,330.41

Finding the Fourth Proportional to 31,395.79, 47,097.56 and 10,330.41

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Solution

The fourth proportional to 31,395.79, 47,097.56 and 10,330.41 is: 15,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.79 : 47,097.56 = 10,330.41 : x
  2. Step 2: Convert to fraction form
    31,395.79/47,097.56 = 10,330.41/x
  3. Step 3: Cross multiply
    31,395.79x = 47,097.56 × 10,330.41
  4. Step 4: Simplify right side
    31,395.79x = 486,537,104.80
  5. Step 5: Solve for x
    x = 486,537,104.80/31,395.79
  6. Step 6: Final answer
    x = 15,496.89

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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.