Home / 30,325.83-45,497.55-12,553.22

Finding the Fourth Proportional to 30,325.83, 45,497.55 and 12,553.22

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Solution

The fourth proportional to 30,325.83, 45,497.55 and 12,553.22 is: 18,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.83 : 45,497.55 = 12,553.22 : x
  2. Step 2: Convert to fraction form
    30,325.83/45,497.55 = 12,553.22/x
  3. Step 3: Cross multiply
    30,325.83x = 45,497.55 × 12,553.22
  4. Step 4: Simplify right side
    30,325.83x = 571,140,527.12
  5. Step 5: Solve for x
    x = 571,140,527.12/30,325.83
  6. Step 6: Final answer
    x = 18,833.47

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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.