Home / 31,650.99-47,482.88-14,120.82

Finding the Fourth Proportional to 31,650.99, 47,482.88 and 14,120.82

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Solution

The fourth proportional to 31,650.99, 47,482.88 and 14,120.82 is: 21,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.99 : 47,482.88 = 14,120.82 : x
  2. Step 2: Convert to fraction form
    31,650.99/47,482.88 = 14,120.82/x
  3. Step 3: Cross multiply
    31,650.99x = 47,482.88 × 14,120.82
  4. Step 4: Simplify right side
    31,650.99x = 670,497,130.96
  5. Step 5: Solve for x
    x = 670,497,130.96/31,650.99
  6. Step 6: Final answer
    x = 21,184.08

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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.