Home / 39,052.96-53,893.01-21,147.91

Finding the Fourth Proportional to 39,052.96, 53,893.01 and 21,147.91

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Solution

The fourth proportional to 39,052.96, 53,893.01 and 21,147.91 is: 29,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,052.96 : 53,893.01 = 21,147.91 : x
  2. Step 2: Convert to fraction form
    39,052.96/53,893.01 = 21,147.91/x
  3. Step 3: Cross multiply
    39,052.96x = 53,893.01 × 21,147.91
  4. Step 4: Simplify right side
    39,052.96x = 1,139,724,505.60
  5. Step 5: Solve for x
    x = 1,139,724,505.60/39,052.96
  6. Step 6: Final answer
    x = 29,184.07

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1.5x scale

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.