Home / 38,779.17-58,174.22-13,811.83

Finding the Fourth Proportional to 38,779.17, 58,174.22 and 13,811.83

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Solution

The fourth proportional to 38,779.17, 58,174.22 and 13,811.83 is: 20,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.17 : 58,174.22 = 13,811.83 : x
  2. Step 2: Convert to fraction form
    38,779.17/58,174.22 = 13,811.83/x
  3. Step 3: Cross multiply
    38,779.17x = 58,174.22 × 13,811.83
  4. Step 4: Simplify right side
    38,779.17x = 803,492,077.09
  5. Step 5: Solve for x
    x = 803,492,077.09/38,779.17
  6. Step 6: Final answer
    x = 20,719.68

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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.