Home / 69,132.15-103,698.29-19,212.26

Finding the Fourth Proportional to 69,132.15, 103,698.29 and 19,212.26

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Solution

The fourth proportional to 69,132.15, 103,698.29 and 19,212.26 is: 28,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.15 : 103,698.29 = 19,212.26 : x
  2. Step 2: Convert to fraction form
    69,132.15/103,698.29 = 19,212.26/x
  3. Step 3: Cross multiply
    69,132.15x = 103,698.29 × 19,212.26
  4. Step 4: Simplify right side
    69,132.15x = 1,992,278,038.57
  5. Step 5: Solve for x
    x = 1,992,278,038.57/69,132.15
  6. Step 6: Final answer
    x = 28,818.40

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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.