Home / 38,397.34-52,986.64-21,403.44

Finding the Fourth Proportional to 38,397.34, 52,986.64 and 21,403.44

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Solution

The fourth proportional to 38,397.34, 52,986.64 and 21,403.44 is: 29,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.34 : 52,986.64 = 21,403.44 : x
  2. Step 2: Convert to fraction form
    38,397.34/52,986.64 = 21,403.44/x
  3. Step 3: Cross multiply
    38,397.34x = 52,986.64 × 21,403.44
  4. Step 4: Simplify right side
    38,397.34x = 1,134,096,370.04
  5. Step 5: Solve for x
    x = 1,134,096,370.04/38,397.34
  6. Step 6: Final answer
    x = 29,535.81

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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.