Home / 37,617.68-56,429.22-12,657.62

Finding the Fourth Proportional to 37,617.68, 56,429.22 and 12,657.62

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Solution

The fourth proportional to 37,617.68, 56,429.22 and 12,657.62 is: 18,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.68 : 56,429.22 = 12,657.62 : x
  2. Step 2: Convert to fraction form
    37,617.68/56,429.22 = 12,657.62/x
  3. Step 3: Cross multiply
    37,617.68x = 56,429.22 × 12,657.62
  4. Step 4: Simplify right side
    37,617.68x = 714,259,623.66
  5. Step 5: Solve for x
    x = 714,259,623.66/37,617.68
  6. Step 6: Final answer
    x = 18,987.34

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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.