Home / 36,316.91-54,477.42-12,943.35

Finding the Fourth Proportional to 36,316.91, 54,477.42 and 12,943.35

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Solution

The fourth proportional to 36,316.91, 54,477.42 and 12,943.35 is: 19,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.91 : 54,477.42 = 12,943.35 : x
  2. Step 2: Convert to fraction form
    36,316.91/54,477.42 = 12,943.35/x
  3. Step 3: Cross multiply
    36,316.91x = 54,477.42 × 12,943.35
  4. Step 4: Simplify right side
    36,316.91x = 705,119,977.05
  5. Step 5: Solve for x
    x = 705,119,977.05/36,316.91
  6. Step 6: Final answer
    x = 19,415.75

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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.