Home / 39,712.26-54,803.30-21,807.64

Finding the Fourth Proportional to 39,712.26, 54,803.30 and 21,807.64

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Solution

The fourth proportional to 39,712.26, 54,803.30 and 21,807.64 is: 30,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.26 : 54,803.30 = 21,807.64 : x
  2. Step 2: Convert to fraction form
    39,712.26/54,803.30 = 21,807.64/x
  3. Step 3: Cross multiply
    39,712.26x = 54,803.30 × 21,807.64
  4. Step 4: Simplify right side
    39,712.26x = 1,195,130,828.74
  5. Step 5: Solve for x
    x = 1,195,130,828.74/39,712.26
  6. Step 6: Final answer
    x = 30,094.76

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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.