Home / 36,988.17-51,045.56-21,889.50

Finding the Fourth Proportional to 36,988.17, 51,045.56 and 21,889.50

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Solution

The fourth proportional to 36,988.17, 51,045.56 and 21,889.50 is: 30,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.17 : 51,045.56 = 21,889.50 : x
  2. Step 2: Convert to fraction form
    36,988.17/51,045.56 = 21,889.50/x
  3. Step 3: Cross multiply
    36,988.17x = 51,045.56 × 21,889.50
  4. Step 4: Simplify right side
    36,988.17x = 1,117,361,785.62
  5. Step 5: Solve for x
    x = 1,117,361,785.62/36,988.17
  6. Step 6: Final answer
    x = 30,208.63

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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.