Home / 37,345.66-56,018.54-12,379.13

Finding the Fourth Proportional to 37,345.66, 56,018.54 and 12,379.13

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Solution

The fourth proportional to 37,345.66, 56,018.54 and 12,379.13 is: 18,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,345.66 : 56,018.54 = 12,379.13 : x
  2. Step 2: Convert to fraction form
    37,345.66/56,018.54 = 12,379.13/x
  3. Step 3: Cross multiply
    37,345.66x = 56,018.54 × 12,379.13
  4. Step 4: Simplify right side
    37,345.66x = 693,460,680.36
  5. Step 5: Solve for x
    x = 693,460,680.36/37,345.66
  6. Step 6: Final answer
    x = 18,568.71

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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.