Home / 49,193.42-67,897.02-31,284.98

Finding the Fourth Proportional to 49,193.42, 67,897.02 and 31,284.98

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Solution

The fourth proportional to 49,193.42, 67,897.02 and 31,284.98 is: 43,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,193.42 : 67,897.02 = 31,284.98 : x
  2. Step 2: Convert to fraction form
    49,193.42/67,897.02 = 31,284.98/x
  3. Step 3: Cross multiply
    49,193.42x = 67,897.02 × 31,284.98
  4. Step 4: Simplify right side
    49,193.42x = 2,124,156,912.76
  5. Step 5: Solve for x
    x = 2,124,156,912.76/49,193.42
  6. Step 6: Final answer
    x = 43,179.70

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1.5x scale

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.