Home / 43,023.53-64,551.85-20,835.20

Finding the Fourth Proportional to 43,023.53, 64,551.85 and 20,835.20

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Solution

The fourth proportional to 43,023.53, 64,551.85 and 20,835.20 is: 31,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.53 : 64,551.85 = 20,835.20 : x
  2. Step 2: Convert to fraction form
    43,023.53/64,551.85 = 20,835.20/x
  3. Step 3: Cross multiply
    43,023.53x = 64,551.85 × 20,835.20
  4. Step 4: Simplify right side
    43,023.53x = 1,344,950,814.41
  5. Step 5: Solve for x
    x = 1,344,950,814.41/43,023.53
  6. Step 6: Final answer
    x = 31,260.82

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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.