Home / 30,380.52-45,575.33-10,655.60

Finding the Fourth Proportional to 30,380.52, 45,575.33 and 10,655.60

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Solution

The fourth proportional to 30,380.52, 45,575.33 and 10,655.60 is: 15,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380.52 : 45,575.33 = 10,655.60 : x
  2. Step 2: Convert to fraction form
    30,380.52/45,575.33 = 10,655.60/x
  3. Step 3: Cross multiply
    30,380.52x = 45,575.33 × 10,655.60
  4. Step 4: Simplify right side
    30,380.52x = 485,632,551.46
  5. Step 5: Solve for x
    x = 485,632,551.46/30,380.52
  6. Step 6: Final answer
    x = 15,985.00

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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.