Home / 20,385.04-30,577.59-5,593.36

Finding the Fourth Proportional to 20,385.04, 30,577.59 and 5,593.36

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Solution

The fourth proportional to 20,385.04, 30,577.59 and 5,593.36 is: 8,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.04 : 30,577.59 = 5,593.36 : x
  2. Step 2: Convert to fraction form
    20,385.04/30,577.59 = 5,593.36/x
  3. Step 3: Cross multiply
    20,385.04x = 30,577.59 × 5,593.36
  4. Step 4: Simplify right side
    20,385.04x = 171,031,468.80
  5. Step 5: Solve for x
    x = 171,031,468.80/20,385.04
  6. Step 6: Final answer
    x = 8,390.05

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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.