Home / 37,518.12-56,259.76-13,819.68

Finding the Fourth Proportional to 37,518.12, 56,259.76 and 13,819.68

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Solution

The fourth proportional to 37,518.12, 56,259.76 and 13,819.68 is: 20,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518.12 : 56,259.76 = 13,819.68 : x
  2. Step 2: Convert to fraction form
    37,518.12/56,259.76 = 13,819.68/x
  3. Step 3: Cross multiply
    37,518.12x = 56,259.76 × 13,819.68
  4. Step 4: Simplify right side
    37,518.12x = 777,491,880.08
  5. Step 5: Solve for x
    x = 777,491,880.08/37,518.12
  6. Step 6: Final answer
    x = 20,723.10

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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.