Home / 40,129.04-55,359.69-25,986.44

Finding the Fourth Proportional to 40,129.04, 55,359.69 and 25,986.44

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Solution

The fourth proportional to 40,129.04, 55,359.69 and 25,986.44 is: 35,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.04 : 55,359.69 = 25,986.44 : x
  2. Step 2: Convert to fraction form
    40,129.04/55,359.69 = 25,986.44/x
  3. Step 3: Cross multiply
    40,129.04x = 55,359.69 × 25,986.44
  4. Step 4: Simplify right side
    40,129.04x = 1,438,600,985.81
  5. Step 5: Solve for x
    x = 1,438,600,985.81/40,129.04
  6. Step 6: Final answer
    x = 35,849.38

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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.