Home / 30,330.24-45,495.52-18,935.52

Finding the Fourth Proportional to 30,330.24, 45,495.52 and 18,935.52

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Solution

The fourth proportional to 30,330.24, 45,495.52 and 18,935.52 is: 28,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.24 : 45,495.52 = 18,935.52 : x
  2. Step 2: Convert to fraction form
    30,330.24/45,495.52 = 18,935.52/x
  3. Step 3: Cross multiply
    30,330.24x = 45,495.52 × 18,935.52
  4. Step 4: Simplify right side
    30,330.24x = 861,481,328.87
  5. Step 5: Solve for x
    x = 861,481,328.87/30,330.24
  6. Step 6: Final answer
    x = 28,403.38

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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.