Home / 36,980.66-51,036.89-21,878.18

Finding the Fourth Proportional to 36,980.66, 51,036.89 and 21,878.18

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Solution

The fourth proportional to 36,980.66, 51,036.89 and 21,878.18 is: 30,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.66 : 51,036.89 = 21,878.18 : x
  2. Step 2: Convert to fraction form
    36,980.66/51,036.89 = 21,878.18/x
  3. Step 3: Cross multiply
    36,980.66x = 51,036.89 × 21,878.18
  4. Step 4: Simplify right side
    36,980.66x = 1,116,594,266.06
  5. Step 5: Solve for x
    x = 1,116,594,266.06/36,980.66
  6. Step 6: Final answer
    x = 30,194.01

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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.