Home / 39,667.32-54,741.93-21,763.38

Finding the Fourth Proportional to 39,667.32, 54,741.93 and 21,763.38

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Solution

The fourth proportional to 39,667.32, 54,741.93 and 21,763.38 is: 30,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.32 : 54,741.93 = 21,763.38 : x
  2. Step 2: Convert to fraction form
    39,667.32/54,741.93 = 21,763.38/x
  3. Step 3: Cross multiply
    39,667.32x = 54,741.93 × 21,763.38
  4. Step 4: Simplify right side
    39,667.32x = 1,191,369,548.19
  5. Step 5: Solve for x
    x = 1,191,369,548.19/39,667.32
  6. Step 6: Final answer
    x = 30,034.03

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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.