Home / 37,571.20-56,357.70-12,612.06

Finding the Fourth Proportional to 37,571.20, 56,357.70 and 12,612.06

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Solution

The fourth proportional to 37,571.20, 56,357.70 and 12,612.06 is: 18,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,571.20 : 56,357.70 = 12,612.06 : x
  2. Step 2: Convert to fraction form
    37,571.20/56,357.70 = 12,612.06/x
  3. Step 3: Cross multiply
    37,571.20x = 56,357.70 × 12,612.06
  4. Step 4: Simplify right side
    37,571.20x = 710,786,693.86
  5. Step 5: Solve for x
    x = 710,786,693.86/37,571.20
  6. Step 6: Final answer
    x = 18,918.39

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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.