Home / 51,674.40-71,317.26-30,455.64

Finding the Fourth Proportional to 51,674.40, 71,317.26 and 30,455.64

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Solution

The fourth proportional to 51,674.40, 71,317.26 and 30,455.64 is: 42,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,674.40 : 71,317.26 = 30,455.64 : x
  2. Step 2: Convert to fraction form
    51,674.40/71,317.26 = 30,455.64/x
  3. Step 3: Cross multiply
    51,674.40x = 71,317.26 × 30,455.64
  4. Step 4: Simplify right side
    51,674.40x = 2,172,012,796.35
  5. Step 5: Solve for x
    x = 2,172,012,796.35/51,674.40
  6. Step 6: Final answer
    x = 42,032.67

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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.