Home / 47,253.18-70,782.57-34,131.90

Finding the Fourth Proportional to 47,253.18, 70,782.57 and 34,131.90

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Solution

The fourth proportional to 47,253.18, 70,782.57 and 34,131.90 is: 51,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,253.18 : 70,782.57 = 34,131.90 : x
  2. Step 2: Convert to fraction form
    47,253.18/70,782.57 = 34,131.90/x
  3. Step 3: Cross multiply
    47,253.18x = 70,782.57 × 34,131.90
  4. Step 4: Simplify right side
    47,253.18x = 2,415,943,600.98
  5. Step 5: Solve for x
    x = 2,415,943,600.98/47,253.18
  6. Step 6: Final answer
    x = 51,127.64

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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.