Home / 30,358.13-41,899.68-17,782.88

Finding the Fourth Proportional to 30,358.13, 41,899.68 and 17,782.88

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Solution

The fourth proportional to 30,358.13, 41,899.68 and 17,782.88 is: 24,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.13 : 41,899.68 = 17,782.88 : x
  2. Step 2: Convert to fraction form
    30,358.13/41,899.68 = 17,782.88/x
  3. Step 3: Cross multiply
    30,358.13x = 41,899.68 × 17,782.88
  4. Step 4: Simplify right side
    30,358.13x = 745,096,771.98
  5. Step 5: Solve for x
    x = 745,096,771.98/30,358.13
  6. Step 6: Final answer
    x = 24,543.57

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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.