Home / 37,446.81-56,151.41-12,478.11

Finding the Fourth Proportional to 37,446.81, 56,151.41 and 12,478.11

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Solution

The fourth proportional to 37,446.81, 56,151.41 and 12,478.11 is: 18,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,446.81 : 56,151.41 = 12,478.11 : x
  2. Step 2: Convert to fraction form
    37,446.81/56,151.41 = 12,478.11/x
  3. Step 3: Cross multiply
    37,446.81x = 56,151.41 × 12,478.11
  4. Step 4: Simplify right side
    37,446.81x = 700,663,408.24
  5. Step 5: Solve for x
    x = 700,663,408.24/37,446.81
  6. Step 6: Final answer
    x = 18,710.90

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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.