Home / 38,255.76-52,795.89-21,261.40

Finding the Fourth Proportional to 38,255.76, 52,795.89 and 21,261.40

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Solution

The fourth proportional to 38,255.76, 52,795.89 and 21,261.40 is: 29,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.76 : 52,795.89 = 21,261.40 : x
  2. Step 2: Convert to fraction form
    38,255.76/52,795.89 = 21,261.40/x
  3. Step 3: Cross multiply
    38,255.76x = 52,795.89 × 21,261.40
  4. Step 4: Simplify right side
    38,255.76x = 1,122,514,448.00
  5. Step 5: Solve for x
    x = 1,122,514,448.00/38,255.76
  6. Step 6: Final answer
    x = 29,342.37

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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.