Home / 39,923.40-59,870.70-20,195.40

Finding the Fourth Proportional to 39,923.40, 59,870.70 and 20,195.40

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Solution

The fourth proportional to 39,923.40, 59,870.70 and 20,195.40 is: 30,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.40 : 59,870.70 = 20,195.40 : x
  2. Step 2: Convert to fraction form
    39,923.40/59,870.70 = 20,195.40/x
  3. Step 3: Cross multiply
    39,923.40x = 59,870.70 × 20,195.40
  4. Step 4: Simplify right side
    39,923.40x = 1,209,112,734.78
  5. Step 5: Solve for x
    x = 1,209,112,734.78/39,923.40
  6. Step 6: Final answer
    x = 30,285.82

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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.