Home / 39,242.63-54,154.07-21,337.48

Finding the Fourth Proportional to 39,242.63, 54,154.07 and 21,337.48

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Solution

The fourth proportional to 39,242.63, 54,154.07 and 21,337.48 is: 29,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.63 : 54,154.07 = 21,337.48 : x
  2. Step 2: Convert to fraction form
    39,242.63/54,154.07 = 21,337.48/x
  3. Step 3: Cross multiply
    39,242.63x = 54,154.07 × 21,337.48
  4. Step 4: Simplify right side
    39,242.63x = 1,155,511,426.56
  5. Step 5: Solve for x
    x = 1,155,511,426.56/39,242.63
  6. Step 6: Final answer
    x = 29,445.31

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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.