Home / 36,312.40-54,382.20-22,315.60

Finding the Fourth Proportional to 36,312.40, 54,382.20 and 22,315.60

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Solution

The fourth proportional to 36,312.40, 54,382.20 and 22,315.60 is: 33,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.40 : 54,382.20 = 22,315.60 : x
  2. Step 2: Convert to fraction form
    36,312.40/54,382.20 = 22,315.60/x
  3. Step 3: Cross multiply
    36,312.40x = 54,382.20 × 22,315.60
  4. Step 4: Simplify right side
    36,312.40x = 1,213,571,422.32
  5. Step 5: Solve for x
    x = 1,213,571,422.32/36,312.40
  6. Step 6: Final answer
    x = 33,420.30

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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.