Home / 37,374.40-56,064.30-12,431.80

Finding the Fourth Proportional to 37,374.40, 56,064.30 and 12,431.80

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Solution

The fourth proportional to 37,374.40, 56,064.30 and 12,431.80 is: 18,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,374.40 : 56,064.30 = 12,431.80 : x
  2. Step 2: Convert to fraction form
    37,374.40/56,064.30 = 12,431.80/x
  3. Step 3: Cross multiply
    37,374.40x = 56,064.30 × 12,431.80
  4. Step 4: Simplify right side
    37,374.40x = 696,980,164.74
  5. Step 5: Solve for x
    x = 696,980,164.74/37,374.40
  6. Step 6: Final answer
    x = 18,648.60

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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.