Home / 36,417.08-54,638.76-12,728.14

Finding the Fourth Proportional to 36,417.08, 54,638.76 and 12,728.14

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Solution

The fourth proportional to 36,417.08, 54,638.76 and 12,728.14 is: 19,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,417.08 : 54,638.76 = 12,728.14 : x
  2. Step 2: Convert to fraction form
    36,417.08/54,638.76 = 12,728.14/x
  3. Step 3: Cross multiply
    36,417.08x = 54,638.76 × 12,728.14
  4. Step 4: Simplify right side
    36,417.08x = 695,449,786.71
  5. Step 5: Solve for x
    x = 695,449,786.71/36,417.08
  6. Step 6: Final answer
    x = 19,096.80

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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.