Home / 36,011.88-53,980.08-20,193.72

Finding the Fourth Proportional to 36,011.88, 53,980.08 and 20,193.72

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Solution

The fourth proportional to 36,011.88, 53,980.08 and 20,193.72 is: 30,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,011.88 : 53,980.08 = 20,193.72 : x
  2. Step 2: Convert to fraction form
    36,011.88/53,980.08 = 20,193.72/x
  3. Step 3: Cross multiply
    36,011.88x = 53,980.08 × 20,193.72
  4. Step 4: Simplify right side
    36,011.88x = 1,090,058,621.10
  5. Step 5: Solve for x
    x = 1,090,058,621.10/36,011.88
  6. Step 6: Final answer
    x = 30,269.42

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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.