Home / 38,779.72-58,161.28-17,713.80

Finding the Fourth Proportional to 38,779.72, 58,161.28 and 17,713.80

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Solution

The fourth proportional to 38,779.72, 58,161.28 and 17,713.80 is: 26,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.72 : 58,161.28 = 17,713.80 : x
  2. Step 2: Convert to fraction form
    38,779.72/58,161.28 = 17,713.80/x
  3. Step 3: Cross multiply
    38,779.72x = 58,161.28 × 17,713.80
  4. Step 4: Simplify right side
    38,779.72x = 1,030,257,281.66
  5. Step 5: Solve for x
    x = 1,030,257,281.66/38,779.72
  6. Step 6: Final answer
    x = 26,566.91

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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.