Home / 36,117.23-54,162.38-12,418.07

Finding the Fourth Proportional to 36,117.23, 54,162.38 and 12,418.07

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Solution

The fourth proportional to 36,117.23, 54,162.38 and 12,418.07 is: 18,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.23 : 54,162.38 = 12,418.07 : x
  2. Step 2: Convert to fraction form
    36,117.23/54,162.38 = 12,418.07/x
  3. Step 3: Cross multiply
    36,117.23x = 54,162.38 × 12,418.07
  4. Step 4: Simplify right side
    36,117.23x = 672,592,322.81
  5. Step 5: Solve for x
    x = 672,592,322.81/36,117.23
  6. Step 6: Final answer
    x = 18,622.48

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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.