Home / 45,590.20-68,392.50-19,295.08

Finding the Fourth Proportional to 45,590.20, 68,392.50 and 19,295.08

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Solution

The fourth proportional to 45,590.20, 68,392.50 and 19,295.08 is: 28,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.20 : 68,392.50 = 19,295.08 : x
  2. Step 2: Convert to fraction form
    45,590.20/68,392.50 = 19,295.08/x
  3. Step 3: Cross multiply
    45,590.20x = 68,392.50 × 19,295.08
  4. Step 4: Simplify right side
    45,590.20x = 1,319,638,758.90
  5. Step 5: Solve for x
    x = 1,319,638,758.90/45,590.20
  6. Step 6: Final answer
    x = 28,945.67

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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.