Home / 40,212.12-55,492.88-22,307.07

Finding the Fourth Proportional to 40,212.12, 55,492.88 and 22,307.07

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Solution

The fourth proportional to 40,212.12, 55,492.88 and 22,307.07 is: 30,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.12 : 55,492.88 = 22,307.07 : x
  2. Step 2: Convert to fraction form
    40,212.12/55,492.88 = 22,307.07/x
  3. Step 3: Cross multiply
    40,212.12x = 55,492.88 × 22,307.07
  4. Step 4: Simplify right side
    40,212.12x = 1,237,883,447.13
  5. Step 5: Solve for x
    x = 1,237,883,447.13/40,212.12
  6. Step 6: Final answer
    x = 30,783.84

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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.