Home / 30,139.42-41,592.20-16,710.68

Finding the Fourth Proportional to 30,139.42, 41,592.20 and 16,710.68

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Solution

The fourth proportional to 30,139.42, 41,592.20 and 16,710.68 is: 23,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.42 : 41,592.20 = 16,710.68 : x
  2. Step 2: Convert to fraction form
    30,139.42/41,592.20 = 16,710.68/x
  3. Step 3: Cross multiply
    30,139.42x = 41,592.20 × 16,710.68
  4. Step 4: Simplify right side
    30,139.42x = 695,033,944.70
  5. Step 5: Solve for x
    x = 695,033,944.70/30,139.42
  6. Step 6: Final answer
    x = 23,060.63

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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.