Home / 30,299.26-45,458.15-15,518.63

Finding the Fourth Proportional to 30,299.26, 45,458.15 and 15,518.63

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Solution

The fourth proportional to 30,299.26, 45,458.15 and 15,518.63 is: 23,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.26 : 45,458.15 = 15,518.63 : x
  2. Step 2: Convert to fraction form
    30,299.26/45,458.15 = 15,518.63/x
  3. Step 3: Cross multiply
    30,299.26x = 45,458.15 × 15,518.63
  4. Step 4: Simplify right side
    30,299.26x = 705,448,132.74
  5. Step 5: Solve for x
    x = 705,448,132.74/30,299.26
  6. Step 6: Final answer
    x = 23,282.69

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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.