Home / 43,237.21-64,426.01-38,520.99

Finding the Fourth Proportional to 43,237.21, 64,426.01 and 38,520.99

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Solution

The fourth proportional to 43,237.21, 64,426.01 and 38,520.99 is: 57,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,237.21 : 64,426.01 = 38,520.99 : x
  2. Step 2: Convert to fraction form
    43,237.21/64,426.01 = 38,520.99/x
  3. Step 3: Cross multiply
    43,237.21x = 64,426.01 × 38,520.99
  4. Step 4: Simplify right side
    43,237.21x = 2,481,753,686.95
  5. Step 5: Solve for x
    x = 2,481,753,686.95/43,237.21
  6. Step 6: Final answer
    x = 57,398.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.