Home / 37,087.17-51,180.32-21,987.28

Finding the Fourth Proportional to 37,087.17, 51,180.32 and 21,987.28

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Solution

The fourth proportional to 37,087.17, 51,180.32 and 21,987.28 is: 30,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,087.17 : 51,180.32 = 21,987.28 : x
  2. Step 2: Convert to fraction form
    37,087.17/51,180.32 = 21,987.28/x
  3. Step 3: Cross multiply
    37,087.17x = 51,180.32 × 21,987.28
  4. Step 4: Simplify right side
    37,087.17x = 1,125,316,145.27
  5. Step 5: Solve for x
    x = 1,125,316,145.27/37,087.17
  6. Step 6: Final answer
    x = 30,342.47

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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.