Home / 38,779.01-58,166.20-13,817.74

Finding the Fourth Proportional to 38,779.01, 58,166.20 and 13,817.74

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Solution

The fourth proportional to 38,779.01, 58,166.20 and 13,817.74 is: 20,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.01 : 58,166.20 = 13,817.74 : x
  2. Step 2: Convert to fraction form
    38,779.01/58,166.20 = 13,817.74/x
  3. Step 3: Cross multiply
    38,779.01x = 58,166.20 × 13,817.74
  4. Step 4: Simplify right side
    38,779.01x = 803,725,428.39
  5. Step 5: Solve for x
    x = 803,725,428.39/38,779.01
  6. Step 6: Final answer
    x = 20,725.79

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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.