Home / 30,503.72-42,094.66-17,074.76

Finding the Fourth Proportional to 30,503.72, 42,094.66 and 17,074.76

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Solution

The fourth proportional to 30,503.72, 42,094.66 and 17,074.76 is: 23,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.72 : 42,094.66 = 17,074.76 : x
  2. Step 2: Convert to fraction form
    30,503.72/42,094.66 = 17,074.76/x
  3. Step 3: Cross multiply
    30,503.72x = 42,094.66 × 17,074.76
  4. Step 4: Simplify right side
    30,503.72x = 718,756,216.78
  5. Step 5: Solve for x
    x = 718,756,216.78/30,503.72
  6. Step 6: Final answer
    x = 23,562.90

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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.