Home / 53,002.79-79,508.08-19,722.85

Finding the Fourth Proportional to 53,002.79, 79,508.08 and 19,722.85

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Solution

The fourth proportional to 53,002.79, 79,508.08 and 19,722.85 is: 29,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.79 : 79,508.08 = 19,722.85 : x
  2. Step 2: Convert to fraction form
    53,002.79/79,508.08 = 19,722.85/x
  3. Step 3: Cross multiply
    53,002.79x = 79,508.08 × 19,722.85
  4. Step 4: Simplify right side
    53,002.79x = 1,568,125,650.57
  5. Step 5: Solve for x
    x = 1,568,125,650.57/53,002.79
  6. Step 6: Final answer
    x = 29,585.72

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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.