Home / 20,069.10-30,090.24-10,703.34

Finding the Fourth Proportional to 20,069.10, 30,090.24 and 10,703.34

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Solution

The fourth proportional to 20,069.10, 30,090.24 and 10,703.34 is: 16,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.10 : 30,090.24 = 10,703.34 : x
  2. Step 2: Convert to fraction form
    20,069.10/30,090.24 = 10,703.34/x
  3. Step 3: Cross multiply
    20,069.10x = 30,090.24 × 10,703.34
  4. Step 4: Simplify right side
    20,069.10x = 322,066,069.40
  5. Step 5: Solve for x
    x = 322,066,069.40/20,069.10
  6. Step 6: Final answer
    x = 16,047.86

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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.