Home / 30,437.21-45,614.12-17,116.67

Finding the Fourth Proportional to 30,437.21, 45,614.12 and 17,116.67

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Solution

The fourth proportional to 30,437.21, 45,614.12 and 17,116.67 is: 25,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.21 : 45,614.12 = 17,116.67 : x
  2. Step 2: Convert to fraction form
    30,437.21/45,614.12 = 17,116.67/x
  3. Step 3: Cross multiply
    30,437.21x = 45,614.12 × 17,116.67
  4. Step 4: Simplify right side
    30,437.21x = 780,761,839.38
  5. Step 5: Solve for x
    x = 780,761,839.38/30,437.21
  6. Step 6: Final answer
    x = 25,651.56

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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.