Home / 39,977.56-55,242.30-34,655.32

Finding the Fourth Proportional to 39,977.56, 55,242.30 and 34,655.32

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Solution

The fourth proportional to 39,977.56, 55,242.30 and 34,655.32 is: 47,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.56 : 55,242.30 = 34,655.32 : x
  2. Step 2: Convert to fraction form
    39,977.56/55,242.30 = 34,655.32/x
  3. Step 3: Cross multiply
    39,977.56x = 55,242.30 × 34,655.32
  4. Step 4: Simplify right side
    39,977.56x = 1,914,439,584.04
  5. Step 5: Solve for x
    x = 1,914,439,584.04/39,977.56
  6. Step 6: Final answer
    x = 47,887.85

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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.