Home / 37,810.60-56,721.30-12,851.80

Finding the Fourth Proportional to 37,810.60, 56,721.30 and 12,851.80

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Solution

The fourth proportional to 37,810.60, 56,721.30 and 12,851.80 is: 19,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.60 : 56,721.30 = 12,851.80 : x
  2. Step 2: Convert to fraction form
    37,810.60/56,721.30 = 12,851.80/x
  3. Step 3: Cross multiply
    37,810.60x = 56,721.30 × 12,851.80
  4. Step 4: Simplify right side
    37,810.60x = 728,970,803.34
  5. Step 5: Solve for x
    x = 728,970,803.34/37,810.60
  6. Step 6: Final answer
    x = 19,279.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.