Home / 31,397.09-47,101.64-10,343.23

Finding the Fourth Proportional to 31,397.09, 47,101.64 and 10,343.23

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Solution

The fourth proportional to 31,397.09, 47,101.64 and 10,343.23 is: 15,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.09 : 47,101.64 = 10,343.23 : x
  2. Step 2: Convert to fraction form
    31,397.09/47,101.64 = 10,343.23/x
  3. Step 3: Cross multiply
    31,397.09x = 47,101.64 × 10,343.23
  4. Step 4: Simplify right side
    31,397.09x = 487,182,926.43
  5. Step 5: Solve for x
    x = 487,182,926.43/31,397.09
  6. Step 6: Final answer
    x = 15,516.82

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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.