Home / 33,638.64-46,420.74-19,492.80

Finding the Fourth Proportional to 33,638.64, 46,420.74 and 19,492.80

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Solution

The fourth proportional to 33,638.64, 46,420.74 and 19,492.80 is: 26,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.64 : 46,420.74 = 19,492.80 : x
  2. Step 2: Convert to fraction form
    33,638.64/46,420.74 = 19,492.80/x
  3. Step 3: Cross multiply
    33,638.64x = 46,420.74 × 19,492.80
  4. Step 4: Simplify right side
    33,638.64x = 904,870,200.67
  5. Step 5: Solve for x
    x = 904,870,200.67/33,638.64
  6. Step 6: Final answer
    x = 26,899.73

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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.