Home / 39,059.93-53,902.66-21,155.01

Finding the Fourth Proportional to 39,059.93, 53,902.66 and 21,155.01

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Solution

The fourth proportional to 39,059.93, 53,902.66 and 21,155.01 is: 29,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.93 : 53,902.66 = 21,155.01 : x
  2. Step 2: Convert to fraction form
    39,059.93/53,902.66 = 21,155.01/x
  3. Step 3: Cross multiply
    39,059.93x = 53,902.66 × 21,155.01
  4. Step 4: Simplify right side
    39,059.93x = 1,140,311,308.50
  5. Step 5: Solve for x
    x = 1,140,311,308.50/39,059.93
  6. Step 6: Final answer
    x = 29,193.89

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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.