Home / 36,570.23-54,859.86-12,872.19

Finding the Fourth Proportional to 36,570.23, 54,859.86 and 12,872.19

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Solution

The fourth proportional to 36,570.23, 54,859.86 and 12,872.19 is: 19,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,570.23 : 54,859.86 = 12,872.19 : x
  2. Step 2: Convert to fraction form
    36,570.23/54,859.86 = 12,872.19/x
  3. Step 3: Cross multiply
    36,570.23x = 54,859.86 × 12,872.19
  4. Step 4: Simplify right side
    36,570.23x = 706,166,541.29
  5. Step 5: Solve for x
    x = 706,166,541.29/36,570.23
  6. Step 6: Final answer
    x = 19,309.88

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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.