Home / 53,011.20-79,516.38-13,568.20

Finding the Fourth Proportional to 53,011.20, 79,516.38 and 13,568.20

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Solution

The fourth proportional to 53,011.20, 79,516.38 and 13,568.20 is: 20,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.20 : 79,516.38 = 13,568.20 : x
  2. Step 2: Convert to fraction form
    53,011.20/79,516.38 = 13,568.20/x
  3. Step 3: Cross multiply
    53,011.20x = 79,516.38 × 13,568.20
  4. Step 4: Simplify right side
    53,011.20x = 1,078,894,147.12
  5. Step 5: Solve for x
    x = 1,078,894,147.12/53,011.20
  6. Step 6: Final answer
    x = 20,352.19

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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.