Home / 30,858.08-42,584.14-16,710.92

Finding the Fourth Proportional to 30,858.08, 42,584.14 and 16,710.92

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Solution

The fourth proportional to 30,858.08, 42,584.14 and 16,710.92 is: 23,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.08 : 42,584.14 = 16,710.92 : x
  2. Step 2: Convert to fraction form
    30,858.08/42,584.14 = 16,710.92/x
  3. Step 3: Cross multiply
    30,858.08x = 42,584.14 × 16,710.92
  4. Step 4: Simplify right side
    30,858.08x = 711,620,156.81
  5. Step 5: Solve for x
    x = 711,620,156.81/30,858.08
  6. Step 6: Final answer
    x = 23,061.06

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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.