Home / 39,911.07-59,849.29-21,187.01

Finding the Fourth Proportional to 39,911.07, 59,849.29 and 21,187.01

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Solution

The fourth proportional to 39,911.07, 59,849.29 and 21,187.01 is: 31,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.07 : 59,849.29 = 21,187.01 : x
  2. Step 2: Convert to fraction form
    39,911.07/59,849.29 = 21,187.01/x
  3. Step 3: Cross multiply
    39,911.07x = 59,849.29 × 21,187.01
  4. Step 4: Simplify right side
    39,911.07x = 1,268,027,602.38
  5. Step 5: Solve for x
    x = 1,268,027,602.38/39,911.07
  6. Step 6: Final answer
    x = 31,771.33

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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.