Home / 37,071.81-51,162.75-21,158.64

Finding the Fourth Proportional to 37,071.81, 51,162.75 and 21,158.64

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Solution

The fourth proportional to 37,071.81, 51,162.75 and 21,158.64 is: 29,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071.81 : 51,162.75 = 21,158.64 : x
  2. Step 2: Convert to fraction form
    37,071.81/51,162.75 = 21,158.64/x
  3. Step 3: Cross multiply
    37,071.81x = 51,162.75 × 21,158.64
  4. Step 4: Simplify right side
    37,071.81x = 1,082,534,208.66
  5. Step 5: Solve for x
    x = 1,082,534,208.66/37,071.81
  6. Step 6: Final answer
    x = 29,201.01

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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.