Home / 42,809.44-64,213.68-13,223.92

Finding the Fourth Proportional to 42,809.44, 64,213.68 and 13,223.92

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Solution

The fourth proportional to 42,809.44, 64,213.68 and 13,223.92 is: 19,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,809.44 : 64,213.68 = 13,223.92 : x
  2. Step 2: Convert to fraction form
    42,809.44/64,213.68 = 13,223.92/x
  3. Step 3: Cross multiply
    42,809.44x = 64,213.68 × 13,223.92
  4. Step 4: Simplify right side
    42,809.44x = 849,156,567.23
  5. Step 5: Solve for x
    x = 849,156,567.23/42,809.44
  6. Step 6: Final answer
    x = 19,835.73

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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.