Home / 37,941.12-56,911.32-12,980.88

Finding the Fourth Proportional to 37,941.12, 56,911.32 and 12,980.88

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Solution

The fourth proportional to 37,941.12, 56,911.32 and 12,980.88 is: 19,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,941.12 : 56,911.32 = 12,980.88 : x
  2. Step 2: Convert to fraction form
    37,941.12/56,911.32 = 12,980.88/x
  3. Step 3: Cross multiply
    37,941.12x = 56,911.32 × 12,980.88
  4. Step 4: Simplify right side
    37,941.12x = 738,759,015.56
  5. Step 5: Solve for x
    x = 738,759,015.56/37,941.12
  6. Step 6: Final answer
    x = 19,471.20

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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.