Home / 47,274.21-65,238.40-28,411.33

Finding the Fourth Proportional to 47,274.21, 65,238.40 and 28,411.33

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Solution

The fourth proportional to 47,274.21, 65,238.40 and 28,411.33 is: 39,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.21 : 65,238.40 = 28,411.33 : x
  2. Step 2: Convert to fraction form
    47,274.21/65,238.40 = 28,411.33/x
  3. Step 3: Cross multiply
    47,274.21x = 65,238.40 × 28,411.33
  4. Step 4: Simplify right side
    47,274.21x = 1,853,509,711.07
  5. Step 5: Solve for x
    x = 1,853,509,711.07/47,274.21
  6. Step 6: Final answer
    x = 39,207.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.