Home / 51,996.99-71,755.85-28,123.66

Finding the Fourth Proportional to 51,996.99, 71,755.85 and 28,123.66

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Solution

The fourth proportional to 51,996.99, 71,755.85 and 28,123.66 is: 38,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,996.99 : 71,755.85 = 28,123.66 : x
  2. Step 2: Convert to fraction form
    51,996.99/71,755.85 = 28,123.66/x
  3. Step 3: Cross multiply
    51,996.99x = 71,755.85 × 28,123.66
  4. Step 4: Simplify right side
    51,996.99x = 2,018,037,259.77
  5. Step 5: Solve for x
    x = 2,018,037,259.77/51,996.99
  6. Step 6: Final answer
    x = 38,810.66

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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.