Home / 40,999.90-56,611.02-40,346.20

Finding the Fourth Proportional to 40,999.90, 56,611.02 and 40,346.20

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Solution

The fourth proportional to 40,999.90, 56,611.02 and 40,346.20 is: 55,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.90 : 56,611.02 = 40,346.20 : x
  2. Step 2: Convert to fraction form
    40,999.90/56,611.02 = 40,346.20/x
  3. Step 3: Cross multiply
    40,999.90x = 56,611.02 × 40,346.20
  4. Step 4: Simplify right side
    40,999.90x = 2,284,039,535.12
  5. Step 5: Solve for x
    x = 2,284,039,535.12/40,999.90
  6. Step 6: Final answer
    x = 55,708.42

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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.