Home / 30,053.20-45,082.22-10,331.76

Finding the Fourth Proportional to 30,053.20, 45,082.22 and 10,331.76

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Solution

The fourth proportional to 30,053.20, 45,082.22 and 10,331.76 is: 15,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.20 : 45,082.22 = 10,331.76 : x
  2. Step 2: Convert to fraction form
    30,053.20/45,082.22 = 10,331.76/x
  3. Step 3: Cross multiply
    30,053.20x = 45,082.22 × 10,331.76
  4. Step 4: Simplify right side
    30,053.20x = 465,778,677.31
  5. Step 5: Solve for x
    x = 465,778,677.31/30,053.20
  6. Step 6: Final answer
    x = 15,498.47

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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.