Home / 20,298.76-30,450.30-5,507.08

Finding the Fourth Proportional to 20,298.76, 30,450.30 and 5,507.08

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Solution

The fourth proportional to 20,298.76, 30,450.30 and 5,507.08 is: 8,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.76 : 30,450.30 = 5,507.08 : x
  2. Step 2: Convert to fraction form
    20,298.76/30,450.30 = 5,507.08/x
  3. Step 3: Cross multiply
    20,298.76x = 30,450.30 × 5,507.08
  4. Step 4: Simplify right side
    20,298.76x = 167,692,238.12
  5. Step 5: Solve for x
    x = 167,692,238.12/20,298.76
  6. Step 6: Final answer
    x = 8,261.21

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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.