Home / 30,859.14-42,585.63-16,711.98

Finding the Fourth Proportional to 30,859.14, 42,585.63 and 16,711.98

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Solution

The fourth proportional to 30,859.14, 42,585.63 and 16,711.98 is: 23,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.14 : 42,585.63 = 16,711.98 : x
  2. Step 2: Convert to fraction form
    30,859.14/42,585.63 = 16,711.98/x
  3. Step 3: Cross multiply
    30,859.14x = 42,585.63 × 16,711.98
  4. Step 4: Simplify right side
    30,859.14x = 711,690,196.85
  5. Step 5: Solve for x
    x = 711,690,196.85/30,859.14
  6. Step 6: Final answer
    x = 23,062.54

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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.