Home / 38,848.42-53,609.26-21,853.00

Finding the Fourth Proportional to 38,848.42, 53,609.26 and 21,853.00

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Solution

The fourth proportional to 38,848.42, 53,609.26 and 21,853.00 is: 30,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848.42 : 53,609.26 = 21,853.00 : x
  2. Step 2: Convert to fraction form
    38,848.42/53,609.26 = 21,853.00/x
  3. Step 3: Cross multiply
    38,848.42x = 53,609.26 × 21,853.00
  4. Step 4: Simplify right side
    38,848.42x = 1,171,522,781.47
  5. Step 5: Solve for x
    x = 1,171,522,781.47/38,848.42
  6. Step 6: Final answer
    x = 30,156.26

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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.