Home / 30,621.47-45,889.43-16,551.15

Finding the Fourth Proportional to 30,621.47, 45,889.43 and 16,551.15

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Solution

The fourth proportional to 30,621.47, 45,889.43 and 16,551.15 is: 24,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.47 : 45,889.43 = 16,551.15 : x
  2. Step 2: Convert to fraction form
    30,621.47/45,889.43 = 16,551.15/x
  3. Step 3: Cross multiply
    30,621.47x = 45,889.43 × 16,551.15
  4. Step 4: Simplify right side
    30,621.47x = 759,522,756.59
  5. Step 5: Solve for x
    x = 759,522,756.59/30,621.47
  6. Step 6: Final answer
    x = 24,803.61

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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.