Home / 54,289.06-81,444.45-18,751.67

Finding the Fourth Proportional to 54,289.06, 81,444.45 and 18,751.67

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Solution

The fourth proportional to 54,289.06, 81,444.45 and 18,751.67 is: 28,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.06 : 81,444.45 = 18,751.67 : x
  2. Step 2: Convert to fraction form
    54,289.06/81,444.45 = 18,751.67/x
  3. Step 3: Cross multiply
    54,289.06x = 81,444.45 × 18,751.67
  4. Step 4: Simplify right side
    54,289.06x = 1,527,219,768.63
  5. Step 5: Solve for x
    x = 1,527,219,768.63/54,289.06
  6. Step 6: Final answer
    x = 28,131.26

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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.