Home / 36,820.36-55,237.02-13,479.40

Finding the Fourth Proportional to 36,820.36, 55,237.02 and 13,479.40

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Solution

The fourth proportional to 36,820.36, 55,237.02 and 13,479.40 is: 20,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.36 : 55,237.02 = 13,479.40 : x
  2. Step 2: Convert to fraction form
    36,820.36/55,237.02 = 13,479.40/x
  3. Step 3: Cross multiply
    36,820.36x = 55,237.02 × 13,479.40
  4. Step 4: Simplify right side
    36,820.36x = 744,561,887.39
  5. Step 5: Solve for x
    x = 744,561,887.39/36,820.36
  6. Step 6: Final answer
    x = 20,221.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.