Home / 31,410.21-47,122.27-10,349.40

Finding the Fourth Proportional to 31,410.21, 47,122.27 and 10,349.40

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Solution

The fourth proportional to 31,410.21, 47,122.27 and 10,349.40 is: 15,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.21 : 47,122.27 = 10,349.40 : x
  2. Step 2: Convert to fraction form
    31,410.21/47,122.27 = 10,349.40/x
  3. Step 3: Cross multiply
    31,410.21x = 47,122.27 × 10,349.40
  4. Step 4: Simplify right side
    31,410.21x = 487,687,169.39
  5. Step 5: Solve for x
    x = 487,687,169.39/31,410.21
  6. Step 6: Final answer
    x = 15,526.39

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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.