Home / 36,979.47-51,026.36-21,061.35

Finding the Fourth Proportional to 36,979.47, 51,026.36 and 21,061.35

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Solution

The fourth proportional to 36,979.47, 51,026.36 and 21,061.35 is: 29,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.47 : 51,026.36 = 21,061.35 : x
  2. Step 2: Convert to fraction form
    36,979.47/51,026.36 = 21,061.35/x
  3. Step 3: Cross multiply
    36,979.47x = 51,026.36 × 21,061.35
  4. Step 4: Simplify right side
    36,979.47x = 1,074,683,921.88
  5. Step 5: Solve for x
    x = 1,074,683,921.88/36,979.47
  6. Step 6: Final answer
    x = 29,061.64

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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.