Home / 53,496.07-73,844.01-31,140.07

Finding the Fourth Proportional to 53,496.07, 73,844.01 and 31,140.07

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Solution

The fourth proportional to 53,496.07, 73,844.01 and 31,140.07 is: 42,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,496.07 : 73,844.01 = 31,140.07 : x
  2. Step 2: Convert to fraction form
    53,496.07/73,844.01 = 31,140.07/x
  3. Step 3: Cross multiply
    53,496.07x = 73,844.01 × 31,140.07
  4. Step 4: Simplify right side
    53,496.07x = 2,299,507,640.48
  5. Step 5: Solve for x
    x = 2,299,507,640.48/53,496.07
  6. Step 6: Final answer
    x = 42,984.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.