Home / 40,563.78-55,571.39-39,047.64

Finding the Fourth Proportional to 40,563.78, 55,571.39 and 39,047.64

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Solution

The fourth proportional to 40,563.78, 55,571.39 and 39,047.64 is: 53,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,563.78 : 55,571.39 = 39,047.64 : x
  2. Step 2: Convert to fraction form
    40,563.78/55,571.39 = 39,047.64/x
  3. Step 3: Cross multiply
    40,563.78x = 55,571.39 × 39,047.64
  4. Step 4: Simplify right side
    40,563.78x = 2,169,931,631.02
  5. Step 5: Solve for x
    x = 2,169,931,631.02/40,563.78
  6. Step 6: Final answer
    x = 53,494.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.