Home / 39,237.72-54,149.12-21,333.93

Finding the Fourth Proportional to 39,237.72, 54,149.12 and 21,333.93

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Solution

The fourth proportional to 39,237.72, 54,149.12 and 21,333.93 is: 29,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.72 : 54,149.12 = 21,333.93 : x
  2. Step 2: Convert to fraction form
    39,237.72/54,149.12 = 21,333.93/x
  3. Step 3: Cross multiply
    39,237.72x = 54,149.12 × 21,333.93
  4. Step 4: Simplify right side
    39,237.72x = 1,155,213,535.64
  5. Step 5: Solve for x
    x = 1,155,213,535.64/39,237.72
  6. Step 6: Final answer
    x = 29,441.40

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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.