Home / 37,955.89-56,895.72-12,978.85

Finding the Fourth Proportional to 37,955.89, 56,895.72 and 12,978.85

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Solution

The fourth proportional to 37,955.89, 56,895.72 and 12,978.85 is: 19,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,955.89 : 56,895.72 = 12,978.85 : x
  2. Step 2: Convert to fraction form
    37,955.89/56,895.72 = 12,978.85/x
  3. Step 3: Cross multiply
    37,955.89x = 56,895.72 × 12,978.85
  4. Step 4: Simplify right side
    37,955.89x = 738,441,190.21
  5. Step 5: Solve for x
    x = 738,441,190.21/37,955.89
  6. Step 6: Final answer
    x = 19,455.25

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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.