Home / 30,772.06-42,465.43-16,624.90

Finding the Fourth Proportional to 30,772.06, 42,465.43 and 16,624.90

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Solution

The fourth proportional to 30,772.06, 42,465.43 and 16,624.90 is: 22,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.06 : 42,465.43 = 16,624.90 : x
  2. Step 2: Convert to fraction form
    30,772.06/42,465.43 = 16,624.90/x
  3. Step 3: Cross multiply
    30,772.06x = 42,465.43 × 16,624.90
  4. Step 4: Simplify right side
    30,772.06x = 705,983,527.21
  5. Step 5: Solve for x
    x = 705,983,527.21/30,772.06
  6. Step 6: Final answer
    x = 22,942.36

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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.