Home / 37,809.80-56,714.70-13,185.80

Finding the Fourth Proportional to 37,809.80, 56,714.70 and 13,185.80

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Solution

The fourth proportional to 37,809.80, 56,714.70 and 13,185.80 is: 19,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,809.80 : 56,714.70 = 13,185.80 : x
  2. Step 2: Convert to fraction form
    37,809.80/56,714.70 = 13,185.80/x
  3. Step 3: Cross multiply
    37,809.80x = 56,714.70 × 13,185.80
  4. Step 4: Simplify right side
    37,809.80x = 747,828,691.26
  5. Step 5: Solve for x
    x = 747,828,691.26/37,809.80
  6. Step 6: Final answer
    x = 19,778.70

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1.5x scale

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.