Home / 56,138.13-84,210.84-16,691.94

Finding the Fourth Proportional to 56,138.13, 84,210.84 and 16,691.94

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Solution

The fourth proportional to 56,138.13, 84,210.84 and 16,691.94 is: 25,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.13 : 84,210.84 = 16,691.94 : x
  2. Step 2: Convert to fraction form
    56,138.13/84,210.84 = 16,691.94/x
  3. Step 3: Cross multiply
    56,138.13x = 84,210.84 × 16,691.94
  4. Step 4: Simplify right side
    56,138.13x = 1,405,642,288.63
  5. Step 5: Solve for x
    x = 1,405,642,288.63/56,138.13
  6. Step 6: Final answer
    x = 25,038.99

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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.