Home / 38,075.52-52,542.43-20,847.57

Finding the Fourth Proportional to 38,075.52, 52,542.43 and 20,847.57

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Solution

The fourth proportional to 38,075.52, 52,542.43 and 20,847.57 is: 28,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.52 : 52,542.43 = 20,847.57 : x
  2. Step 2: Convert to fraction form
    38,075.52/52,542.43 = 20,847.57/x
  3. Step 3: Cross multiply
    38,075.52x = 52,542.43 × 20,847.57
  4. Step 4: Simplify right side
    38,075.52x = 1,095,381,987.40
  5. Step 5: Solve for x
    x = 1,095,381,987.40/38,075.52
  6. Step 6: Final answer
    x = 28,768.67

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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.