Home / 54,621.44-75,384.48-30,749.12

Finding the Fourth Proportional to 54,621.44, 75,384.48 and 30,749.12

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Solution

The fourth proportional to 54,621.44, 75,384.48 and 30,749.12 is: 42,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.44 : 75,384.48 = 30,749.12 : x
  2. Step 2: Convert to fraction form
    54,621.44/75,384.48 = 30,749.12/x
  3. Step 3: Cross multiply
    54,621.44x = 75,384.48 × 30,749.12
  4. Step 4: Simplify right side
    54,621.44x = 2,318,006,421.66
  5. Step 5: Solve for x
    x = 2,318,006,421.66/54,621.44
  6. Step 6: Final answer
    x = 42,437.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.