Home / 40,376.02-55,782.12-30,849.25

Finding the Fourth Proportional to 40,376.02, 55,782.12 and 30,849.25

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Solution

The fourth proportional to 40,376.02, 55,782.12 and 30,849.25 is: 42,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376.02 : 55,782.12 = 30,849.25 : x
  2. Step 2: Convert to fraction form
    40,376.02/55,782.12 = 30,849.25/x
  3. Step 3: Cross multiply
    40,376.02x = 55,782.12 × 30,849.25
  4. Step 4: Simplify right side
    40,376.02x = 1,720,836,565.41
  5. Step 5: Solve for x
    x = 1,720,836,565.41/40,376.02
  6. Step 6: Final answer
    x = 42,620.26

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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.