Home / 40,145.83-55,370.05-27,409.25

Finding the Fourth Proportional to 40,145.83, 55,370.05 and 27,409.25

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Solution

The fourth proportional to 40,145.83, 55,370.05 and 27,409.25 is: 37,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.83 : 55,370.05 = 27,409.25 : x
  2. Step 2: Convert to fraction form
    40,145.83/55,370.05 = 27,409.25/x
  3. Step 3: Cross multiply
    40,145.83x = 55,370.05 × 27,409.25
  4. Step 4: Simplify right side
    40,145.83x = 1,517,651,612.86
  5. Step 5: Solve for x
    x = 1,517,651,612.86/40,145.83
  6. Step 6: Final answer
    x = 37,803.47

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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.