Home / 33,300.74-45,907.35-20,545.40

Finding the Fourth Proportional to 33,300.74, 45,907.35 and 20,545.40

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Solution

The fourth proportional to 33,300.74, 45,907.35 and 20,545.40 is: 28,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,300.74 : 45,907.35 = 20,545.40 : x
  2. Step 2: Convert to fraction form
    33,300.74/45,907.35 = 20,545.40/x
  3. Step 3: Cross multiply
    33,300.74x = 45,907.35 × 20,545.40
  4. Step 4: Simplify right side
    33,300.74x = 943,184,868.69
  5. Step 5: Solve for x
    x = 943,184,868.69/33,300.74
  6. Step 6: Final answer
    x = 28,323.24

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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.