Home / 31,759.02-47,651.09-12,042.81

Finding the Fourth Proportional to 31,759.02, 47,651.09 and 12,042.81

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Solution

The fourth proportional to 31,759.02, 47,651.09 and 12,042.81 is: 18,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.02 : 47,651.09 = 12,042.81 : x
  2. Step 2: Convert to fraction form
    31,759.02/47,651.09 = 12,042.81/x
  3. Step 3: Cross multiply
    31,759.02x = 47,651.09 × 12,042.81
  4. Step 4: Simplify right side
    31,759.02x = 573,852,962.95
  5. Step 5: Solve for x
    x = 573,852,962.95/31,759.02
  6. Step 6: Final answer
    x = 18,068.98

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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.