Home / 31,434.83-47,126.82-10,361.72

Finding the Fourth Proportional to 31,434.83, 47,126.82 and 10,361.72

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Solution

The fourth proportional to 31,434.83, 47,126.82 and 10,361.72 is: 15,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.83 : 47,126.82 = 10,361.72 : x
  2. Step 2: Convert to fraction form
    31,434.83/47,126.82 = 10,361.72/x
  3. Step 3: Cross multiply
    31,434.83x = 47,126.82 × 10,361.72
  4. Step 4: Simplify right side
    31,434.83x = 488,314,677.70
  5. Step 5: Solve for x
    x = 488,314,677.70/31,434.83
  6. Step 6: Final answer
    x = 15,534.19

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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.