Home / 38,957,255.85-53,760,984.53-21,316,274.24

Finding the Fourth Proportional to 38,957,255.85, 53,760,984.53 and 21,316,274.24

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Solution

The fourth proportional to 38,957,255.85, 53,760,984.53 and 21,316,274.24 is: 29,416,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957,255.85 : 53,760,984.53 = 21,316,274.24 : x
  2. Step 2: Convert to fraction form
    38,957,255.85/53,760,984.53 = 21,316,274.24/x
  3. Step 3: Cross multiply
    38,957,255.85x = 53,760,984.53 × 21,316,274.24
  4. Step 4: Simplify right side
    38,957,255.85x = 1,145,983,889,385,072.50
  5. Step 5: Solve for x
    x = 1,145,983,889,385,072.50/38,957,255.85
  6. Step 6: Final answer
    x = 29,416,442.83

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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.