Home / 30,449.52-45,673.74-11,981.52

Finding the Fourth Proportional to 30,449.52, 45,673.74 and 11,981.52

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Solution

The fourth proportional to 30,449.52, 45,673.74 and 11,981.52 is: 17,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.52 : 45,673.74 = 11,981.52 : x
  2. Step 2: Convert to fraction form
    30,449.52/45,673.74 = 11,981.52/x
  3. Step 3: Cross multiply
    30,449.52x = 45,673.74 × 11,981.52
  4. Step 4: Simplify right side
    30,449.52x = 547,240,829.28
  5. Step 5: Solve for x
    x = 547,240,829.28/30,449.52
  6. Step 6: Final answer
    x = 17,972.07

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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.