Home / 30,859.62-42,586.18-16,712.46

Finding the Fourth Proportional to 30,859.62, 42,586.18 and 16,712.46

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Solution

The fourth proportional to 30,859.62, 42,586.18 and 16,712.46 is: 23,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.62 : 42,586.18 = 16,712.46 : x
  2. Step 2: Convert to fraction form
    30,859.62/42,586.18 = 16,712.46/x
  3. Step 3: Cross multiply
    30,859.62x = 42,586.18 × 16,712.46
  4. Step 4: Simplify right side
    30,859.62x = 711,719,533.31
  5. Step 5: Solve for x
    x = 711,719,533.31/30,859.62
  6. Step 6: Final answer
    x = 23,063.14

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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.