Home / 69,019.58-103,531.66-19,095.49

Finding the Fourth Proportional to 69,019.58, 103,531.66 and 19,095.49

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Solution

The fourth proportional to 69,019.58, 103,531.66 and 19,095.49 is: 28,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,019.58 : 103,531.66 = 19,095.49 : x
  2. Step 2: Convert to fraction form
    69,019.58/103,531.66 = 19,095.49/x
  3. Step 3: Cross multiply
    69,019.58x = 103,531.66 × 19,095.49
  4. Step 4: Simplify right side
    69,019.58x = 1,976,987,931.50
  5. Step 5: Solve for x
    x = 1,976,987,931.50/69,019.58
  6. Step 6: Final answer
    x = 28,643.87

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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.