Home / 53,506.10-80,215.32-20,207.24

Finding the Fourth Proportional to 53,506.10, 80,215.32 and 20,207.24

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Solution

The fourth proportional to 53,506.10, 80,215.32 and 20,207.24 is: 30,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,506.10 : 80,215.32 = 20,207.24 : x
  2. Step 2: Convert to fraction form
    53,506.10/80,215.32 = 20,207.24/x
  3. Step 3: Cross multiply
    53,506.10x = 80,215.32 × 20,207.24
  4. Step 4: Simplify right side
    53,506.10x = 1,620,930,222.92
  5. Step 5: Solve for x
    x = 1,620,930,222.92/53,506.10
  6. Step 6: Final answer
    x = 30,294.31

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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.