Home / 37,821.52-56,740.83-12,520.99

Finding the Fourth Proportional to 37,821.52, 56,740.83 and 12,520.99

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Solution

The fourth proportional to 37,821.52, 56,740.83 and 12,520.99 is: 18,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.52 : 56,740.83 = 12,520.99 : x
  2. Step 2: Convert to fraction form
    37,821.52/56,740.83 = 12,520.99/x
  3. Step 3: Cross multiply
    37,821.52x = 56,740.83 × 12,520.99
  4. Step 4: Simplify right side
    37,821.52x = 710,451,365.02
  5. Step 5: Solve for x
    x = 710,451,365.02/37,821.52
  6. Step 6: Final answer
    x = 18,784.32

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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.