Home / 37,120.51-51,230.02-21,207.35

Finding the Fourth Proportional to 37,120.51, 51,230.02 and 21,207.35

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Solution

The fourth proportional to 37,120.51, 51,230.02 and 21,207.35 is: 29,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,120.51 : 51,230.02 = 21,207.35 : x
  2. Step 2: Convert to fraction form
    37,120.51/51,230.02 = 21,207.35/x
  3. Step 3: Cross multiply
    37,120.51x = 51,230.02 × 21,207.35
  4. Step 4: Simplify right side
    37,120.51x = 1,086,453,079.47
  5. Step 5: Solve for x
    x = 1,086,453,079.47/37,120.51
  6. Step 6: Final answer
    x = 29,268.27

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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.