Home / 38,779.34-58,169.23-13,820.34

Finding the Fourth Proportional to 38,779.34, 58,169.23 and 13,820.34

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Solution

The fourth proportional to 38,779.34, 58,169.23 and 13,820.34 is: 20,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.34 : 58,169.23 = 13,820.34 : x
  2. Step 2: Convert to fraction form
    38,779.34/58,169.23 = 13,820.34/x
  3. Step 3: Cross multiply
    38,779.34x = 58,169.23 × 13,820.34
  4. Step 4: Simplify right side
    38,779.34x = 803,918,501.59
  5. Step 5: Solve for x
    x = 803,918,501.59/38,779.34
  6. Step 6: Final answer
    x = 20,730.59

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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.