Home / 30,280.44-45,407.70-10,553.16

Finding the Fourth Proportional to 30,280.44, 45,407.70 and 10,553.16

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Solution

The fourth proportional to 30,280.44, 45,407.70 and 10,553.16 is: 15,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.44 : 45,407.70 = 10,553.16 : x
  2. Step 2: Convert to fraction form
    30,280.44/45,407.70 = 10,553.16/x
  3. Step 3: Cross multiply
    30,280.44x = 45,407.70 × 10,553.16
  4. Step 4: Simplify right side
    30,280.44x = 479,194,723.33
  5. Step 5: Solve for x
    x = 479,194,723.33/30,280.44
  6. Step 6: Final answer
    x = 15,825.22

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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.