Home / 56,131.78-84,210.63-16,688.02

Finding the Fourth Proportional to 56,131.78, 84,210.63 and 16,688.02

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Solution

The fourth proportional to 56,131.78, 84,210.63 and 16,688.02 is: 25,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,131.78 : 84,210.63 = 16,688.02 : x
  2. Step 2: Convert to fraction form
    56,131.78/84,210.63 = 16,688.02/x
  3. Step 3: Cross multiply
    56,131.78x = 84,210.63 × 16,688.02
  4. Step 4: Simplify right side
    56,131.78x = 1,405,308,677.65
  5. Step 5: Solve for x
    x = 1,405,308,677.65/56,131.78
  6. Step 6: Final answer
    x = 25,035.88

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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.