Home / 40,678.21-56,096.48-31,722.44

Finding the Fourth Proportional to 40,678.21, 56,096.48 and 31,722.44

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Solution

The fourth proportional to 40,678.21, 56,096.48 and 31,722.44 is: 43,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,678.21 : 56,096.48 = 31,722.44 : x
  2. Step 2: Convert to fraction form
    40,678.21/56,096.48 = 31,722.44/x
  3. Step 3: Cross multiply
    40,678.21x = 56,096.48 × 31,722.44
  4. Step 4: Simplify right side
    40,678.21x = 1,779,517,221.01
  5. Step 5: Solve for x
    x = 1,779,517,221.01/40,678.21
  6. Step 6: Final answer
    x = 43,746.21

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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.