Home / 65,319.94-90,145.07-36,648.67

Finding the Fourth Proportional to 65,319.94, 90,145.07 and 36,648.67

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Solution

The fourth proportional to 65,319.94, 90,145.07 and 36,648.67 is: 50,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,319.94 : 90,145.07 = 36,648.67 : x
  2. Step 2: Convert to fraction form
    65,319.94/90,145.07 = 36,648.67/x
  3. Step 3: Cross multiply
    65,319.94x = 90,145.07 × 36,648.67
  4. Step 4: Simplify right side
    65,319.94x = 3,303,696,922.56
  5. Step 5: Solve for x
    x = 3,303,696,922.56/65,319.94
  6. Step 6: Final answer
    x = 50,577.16

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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.