Home / 43,944.21-65,927.52-12,779.46

Finding the Fourth Proportional to 43,944.21, 65,927.52 and 12,779.46

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Solution

The fourth proportional to 43,944.21, 65,927.52 and 12,779.46 is: 19,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,944.21 : 65,927.52 = 12,779.46 : x
  2. Step 2: Convert to fraction form
    43,944.21/65,927.52 = 12,779.46/x
  3. Step 3: Cross multiply
    43,944.21x = 65,927.52 × 12,779.46
  4. Step 4: Simplify right side
    43,944.21x = 842,518,104.74
  5. Step 5: Solve for x
    x = 842,518,104.74/43,944.21
  6. Step 6: Final answer
    x = 19,172.45

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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.