Home / 30,263.63-41,752.32-18,773.21

Finding the Fourth Proportional to 30,263.63, 41,752.32 and 18,773.21

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Solution

The fourth proportional to 30,263.63, 41,752.32 and 18,773.21 is: 25,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.63 : 41,752.32 = 18,773.21 : x
  2. Step 2: Convert to fraction form
    30,263.63/41,752.32 = 18,773.21/x
  3. Step 3: Cross multiply
    30,263.63x = 41,752.32 × 18,773.21
  4. Step 4: Simplify right side
    30,263.63x = 783,825,071.35
  5. Step 5: Solve for x
    x = 783,825,071.35/30,263.63
  6. Step 6: Final answer
    x = 25,899.90

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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.