Home / 37,153.86-51,273.18-21,239.79

Finding the Fourth Proportional to 37,153.86, 51,273.18 and 21,239.79

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Solution

The fourth proportional to 37,153.86, 51,273.18 and 21,239.79 is: 29,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.86 : 51,273.18 = 21,239.79 : x
  2. Step 2: Convert to fraction form
    37,153.86/51,273.18 = 21,239.79/x
  3. Step 3: Cross multiply
    37,153.86x = 51,273.18 × 21,239.79
  4. Step 4: Simplify right side
    37,153.86x = 1,089,031,575.83
  5. Step 5: Solve for x
    x = 1,089,031,575.83/37,153.86
  6. Step 6: Final answer
    x = 29,311.40

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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.