Home / 39,646.51-54,711.70-21,741.37

Finding the Fourth Proportional to 39,646.51, 54,711.70 and 21,741.37

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Solution

The fourth proportional to 39,646.51, 54,711.70 and 21,741.37 is: 30,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.51 : 54,711.70 = 21,741.37 : x
  2. Step 2: Convert to fraction form
    39,646.51/54,711.70 = 21,741.37/x
  3. Step 3: Cross multiply
    39,646.51x = 54,711.70 × 21,741.37
  4. Step 4: Simplify right side
    39,646.51x = 1,189,507,313.03
  5. Step 5: Solve for x
    x = 1,189,507,313.03/39,646.51
  6. Step 6: Final answer
    x = 30,002.83

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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.