Home / 33,332.68-45,999.36-18,225.64

Finding the Fourth Proportional to 33,332.68, 45,999.36 and 18,225.64

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Solution

The fourth proportional to 33,332.68, 45,999.36 and 18,225.64 is: 25,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,332.68 : 45,999.36 = 18,225.64 : x
  2. Step 2: Convert to fraction form
    33,332.68/45,999.36 = 18,225.64/x
  3. Step 3: Cross multiply
    33,332.68x = 45,999.36 × 18,225.64
  4. Step 4: Simplify right side
    33,332.68x = 838,367,775.59
  5. Step 5: Solve for x
    x = 838,367,775.59/33,332.68
  6. Step 6: Final answer
    x = 25,151.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.