Home / 47,554.73-65,621.07-28,430.70

Finding the Fourth Proportional to 47,554.73, 65,621.07 and 28,430.70

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Solution

The fourth proportional to 47,554.73, 65,621.07 and 28,430.70 is: 39,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554.73 : 65,621.07 = 28,430.70 : x
  2. Step 2: Convert to fraction form
    47,554.73/65,621.07 = 28,430.70/x
  3. Step 3: Cross multiply
    47,554.73x = 65,621.07 × 28,430.70
  4. Step 4: Simplify right side
    47,554.73x = 1,865,652,954.85
  5. Step 5: Solve for x
    x = 1,865,652,954.85/47,554.73
  6. Step 6: Final answer
    x = 39,231.70

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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.