Home / 49,817.80-74,625.90-31,040.20

Finding the Fourth Proportional to 49,817.80, 74,625.90 and 31,040.20

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Solution

The fourth proportional to 49,817.80, 74,625.90 and 31,040.20 is: 46,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,817.80 : 74,625.90 = 31,040.20 : x
  2. Step 2: Convert to fraction form
    49,817.80/74,625.90 = 31,040.20/x
  3. Step 3: Cross multiply
    49,817.80x = 74,625.90 × 31,040.20
  4. Step 4: Simplify right side
    49,817.80x = 2,316,402,861.18
  5. Step 5: Solve for x
    x = 2,316,402,861.18/49,817.80
  6. Step 6: Final answer
    x = 46,497.49

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1.5x scale

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.