Home / 37,856.90-56,788.86-12,888.56

Finding the Fourth Proportional to 37,856.90, 56,788.86 and 12,888.56

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Solution

The fourth proportional to 37,856.90, 56,788.86 and 12,888.56 is: 19,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,856.90 : 56,788.86 = 12,888.56 : x
  2. Step 2: Convert to fraction form
    37,856.90/56,788.86 = 12,888.56/x
  3. Step 3: Cross multiply
    37,856.90x = 56,788.86 × 12,888.56
  4. Step 4: Simplify right side
    37,856.90x = 731,926,629.44
  5. Step 5: Solve for x
    x = 731,926,629.44/37,856.90
  6. Step 6: Final answer
    x = 19,334.03

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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.