Home / 49,333.40-74,000.10-19,755.80

Finding the Fourth Proportional to 49,333.40, 74,000.10 and 19,755.80

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Solution

The fourth proportional to 49,333.40, 74,000.10 and 19,755.80 is: 29,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,333.40 : 74,000.10 = 19,755.80 : x
  2. Step 2: Convert to fraction form
    49,333.40/74,000.10 = 19,755.80/x
  3. Step 3: Cross multiply
    49,333.40x = 74,000.10 × 19,755.80
  4. Step 4: Simplify right side
    49,333.40x = 1,461,931,175.58
  5. Step 5: Solve for x
    x = 1,461,931,175.58/49,333.40
  6. Step 6: Final answer
    x = 29,633.70

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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.