Home / 53,142.36-79,688.03-25,039.01

Finding the Fourth Proportional to 53,142.36, 79,688.03 and 25,039.01

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Solution

The fourth proportional to 53,142.36, 79,688.03 and 25,039.01 is: 37,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142.36 : 79,688.03 = 25,039.01 : x
  2. Step 2: Convert to fraction form
    53,142.36/79,688.03 = 25,039.01/x
  3. Step 3: Cross multiply
    53,142.36x = 79,688.03 × 25,039.01
  4. Step 4: Simplify right side
    53,142.36x = 1,995,308,856.42
  5. Step 5: Solve for x
    x = 1,995,308,856.42/53,142.36
  6. Step 6: Final answer
    x = 37,546.49

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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.