Home / 40,442.88-55,811.40-23,457.20

Finding the Fourth Proportional to 40,442.88, 55,811.40 and 23,457.20

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Solution

The fourth proportional to 40,442.88, 55,811.40 and 23,457.20 is: 32,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.88 : 55,811.40 = 23,457.20 : x
  2. Step 2: Convert to fraction form
    40,442.88/55,811.40 = 23,457.20/x
  3. Step 3: Cross multiply
    40,442.88x = 55,811.40 × 23,457.20
  4. Step 4: Simplify right side
    40,442.88x = 1,309,178,893.02
  5. Step 5: Solve for x
    x = 1,309,178,893.02/40,442.88
  6. Step 6: Final answer
    x = 32,371.06

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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.