Home / 60,215.45-90,301.36-20,222.47

Finding the Fourth Proportional to 60,215.45, 90,301.36 and 20,222.47

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Solution

The fourth proportional to 60,215.45, 90,301.36 and 20,222.47 is: 30,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,215.45 : 90,301.36 = 20,222.47 : x
  2. Step 2: Convert to fraction form
    60,215.45/90,301.36 = 20,222.47/x
  3. Step 3: Cross multiply
    60,215.45x = 90,301.36 × 20,222.47
  4. Step 4: Simplify right side
    60,215.45x = 1,826,116,543.56
  5. Step 5: Solve for x
    x = 1,826,116,543.56/60,215.45
  6. Step 6: Final answer
    x = 30,326.38

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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.