Home / 38,779.26-58,166.57-13,817.99

Finding the Fourth Proportional to 38,779.26, 58,166.57 and 13,817.99

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Solution

The fourth proportional to 38,779.26, 58,166.57 and 13,817.99 is: 20,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.26 : 58,166.57 = 13,817.99 : x
  2. Step 2: Convert to fraction form
    38,779.26/58,166.57 = 13,817.99/x
  3. Step 3: Cross multiply
    38,779.26x = 58,166.57 × 13,817.99
  4. Step 4: Simplify right side
    38,779.26x = 803,745,082.59
  5. Step 5: Solve for x
    x = 803,745,082.59/38,779.26
  6. Step 6: Final answer
    x = 20,726.16

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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.