Home / 30,220.80-45,333.36-10,496.88

Finding the Fourth Proportional to 30,220.80, 45,333.36 and 10,496.88

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Solution

The fourth proportional to 30,220.80, 45,333.36 and 10,496.88 is: 15,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.80 : 45,333.36 = 10,496.88 : x
  2. Step 2: Convert to fraction form
    30,220.80/45,333.36 = 10,496.88/x
  3. Step 3: Cross multiply
    30,220.80x = 45,333.36 × 10,496.88
  4. Step 4: Simplify right side
    30,220.80x = 475,858,839.92
  5. Step 5: Solve for x
    x = 475,858,839.92/30,220.80
  6. Step 6: Final answer
    x = 15,746.07

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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.