Home / 54,173.32-81,121.02-37,509.64

Finding the Fourth Proportional to 54,173.32, 81,121.02 and 37,509.64

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Solution

The fourth proportional to 54,173.32, 81,121.02 and 37,509.64 is: 56,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.32 : 81,121.02 = 37,509.64 : x
  2. Step 2: Convert to fraction form
    54,173.32/81,121.02 = 37,509.64/x
  3. Step 3: Cross multiply
    54,173.32x = 81,121.02 × 37,509.64
  4. Step 4: Simplify right side
    54,173.32x = 3,042,820,256.63
  5. Step 5: Solve for x
    x = 3,042,820,256.63/54,173.32
  6. Step 6: Final answer
    x = 56,168.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.