Home / 30,283.93-45,435.18-15,503.32

Finding the Fourth Proportional to 30,283.93, 45,435.18 and 15,503.32

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Solution

The fourth proportional to 30,283.93, 45,435.18 and 15,503.32 is: 23,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.93 : 45,435.18 = 15,503.32 : x
  2. Step 2: Convert to fraction form
    30,283.93/45,435.18 = 15,503.32/x
  3. Step 3: Cross multiply
    30,283.93x = 45,435.18 × 15,503.32
  4. Step 4: Simplify right side
    30,283.93x = 704,396,134.80
  5. Step 5: Solve for x
    x = 704,396,134.80/30,283.93
  6. Step 6: Final answer
    x = 23,259.73

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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.