Home / 36,715.68-50,666.11-20,801.00

Finding the Fourth Proportional to 36,715.68, 50,666.11 and 20,801.00

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Solution

The fourth proportional to 36,715.68, 50,666.11 and 20,801.00 is: 28,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.68 : 50,666.11 = 20,801.00 : x
  2. Step 2: Convert to fraction form
    36,715.68/50,666.11 = 20,801.00/x
  3. Step 3: Cross multiply
    36,715.68x = 50,666.11 × 20,801.00
  4. Step 4: Simplify right side
    36,715.68x = 1,053,905,828.77
  5. Step 5: Solve for x
    x = 1,053,905,828.77/36,715.68
  6. Step 6: Final answer
    x = 28,704.52

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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.