Home / 39,069.67-53,916.01-21,164.66

Finding the Fourth Proportional to 39,069.67, 53,916.01 and 21,164.66

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Solution

The fourth proportional to 39,069.67, 53,916.01 and 21,164.66 is: 29,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,069.67 : 53,916.01 = 21,164.66 : x
  2. Step 2: Convert to fraction form
    39,069.67/53,916.01 = 21,164.66/x
  3. Step 3: Cross multiply
    39,069.67x = 53,916.01 × 21,164.66
  4. Step 4: Simplify right side
    39,069.67x = 1,141,113,750.63
  5. Step 5: Solve for x
    x = 1,141,113,750.63/39,069.67
  6. Step 6: Final answer
    x = 29,207.15

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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.