Home / 37,419.76-56,100.21-18,690.13

Finding the Fourth Proportional to 37,419.76, 56,100.21 and 18,690.13

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Solution

The fourth proportional to 37,419.76, 56,100.21 and 18,690.13 is: 28,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.76 : 56,100.21 = 18,690.13 : x
  2. Step 2: Convert to fraction form
    37,419.76/56,100.21 = 18,690.13/x
  3. Step 3: Cross multiply
    37,419.76x = 56,100.21 × 18,690.13
  4. Step 4: Simplify right side
    37,419.76x = 1,048,520,217.93
  5. Step 5: Solve for x
    x = 1,048,520,217.93/37,419.76
  6. Step 6: Final answer
    x = 28,020.50

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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.