Home / 39,712.01-54,802.96-21,807.39

Finding the Fourth Proportional to 39,712.01, 54,802.96 and 21,807.39

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Solution

The fourth proportional to 39,712.01, 54,802.96 and 21,807.39 is: 30,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.01 : 54,802.96 = 21,807.39 : x
  2. Step 2: Convert to fraction form
    39,712.01/54,802.96 = 21,807.39/x
  3. Step 3: Cross multiply
    39,712.01x = 54,802.96 × 21,807.39
  4. Step 4: Simplify right side
    39,712.01x = 1,195,109,604.36
  5. Step 5: Solve for x
    x = 1,195,109,604.36/39,712.01
  6. Step 6: Final answer
    x = 30,094.41

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1.5x scale

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.