Home / 39,945.94-55,125.08-22,041.70

Finding the Fourth Proportional to 39,945.94, 55,125.08 and 22,041.70

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Solution

The fourth proportional to 39,945.94, 55,125.08 and 22,041.70 is: 30,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.94 : 55,125.08 = 22,041.70 : x
  2. Step 2: Convert to fraction form
    39,945.94/55,125.08 = 22,041.70/x
  3. Step 3: Cross multiply
    39,945.94x = 55,125.08 × 22,041.70
  4. Step 4: Simplify right side
    39,945.94x = 1,215,050,475.84
  5. Step 5: Solve for x
    x = 1,215,050,475.84/39,945.94
  6. Step 6: Final answer
    x = 30,417.37

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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.