Home / 31,624.04-47,442.90-16,830.80

Finding the Fourth Proportional to 31,624.04, 47,442.90 and 16,830.80

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Solution

The fourth proportional to 31,624.04, 47,442.90 and 16,830.80 is: 25,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.04 : 47,442.90 = 16,830.80 : x
  2. Step 2: Convert to fraction form
    31,624.04/47,442.90 = 16,830.80/x
  3. Step 3: Cross multiply
    31,624.04x = 47,442.90 × 16,830.80
  4. Step 4: Simplify right side
    31,624.04x = 798,501,961.32
  5. Step 5: Solve for x
    x = 798,501,961.32/31,624.04
  6. Step 6: Final answer
    x = 25,249.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.