Home / 39,060.01-53,902.79-21,155.01

Finding the Fourth Proportional to 39,060.01, 53,902.79 and 21,155.01

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Solution

The fourth proportional to 39,060.01, 53,902.79 and 21,155.01 is: 29,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,060.01 : 53,902.79 = 21,155.01 : x
  2. Step 2: Convert to fraction form
    39,060.01/53,902.79 = 21,155.01/x
  3. Step 3: Cross multiply
    39,060.01x = 53,902.79 × 21,155.01
  4. Step 4: Simplify right side
    39,060.01x = 1,140,314,342.94
  5. Step 5: Solve for x
    x = 1,140,314,342.94/39,060.01
  6. Step 6: Final answer
    x = 29,193.91

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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.