Home / 31,000.86-46,542.60-16,221.60

Finding the Fourth Proportional to 31,000.86, 46,542.60 and 16,221.60

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Solution

The fourth proportional to 31,000.86, 46,542.60 and 16,221.60 is: 24,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.86 : 46,542.60 = 16,221.60 : x
  2. Step 2: Convert to fraction form
    31,000.86/46,542.60 = 16,221.60/x
  3. Step 3: Cross multiply
    31,000.86x = 46,542.60 × 16,221.60
  4. Step 4: Simplify right side
    31,000.86x = 754,995,440.16
  5. Step 5: Solve for x
    x = 754,995,440.16/31,000.86
  6. Step 6: Final answer
    x = 24,354.02

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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.