Home / 65,213.46-97,772.34-20,814.63

Finding the Fourth Proportional to 65,213.46, 97,772.34 and 20,814.63

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Solution

The fourth proportional to 65,213.46, 97,772.34 and 20,814.63 is: 31,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,213.46 : 97,772.34 = 20,814.63 : x
  2. Step 2: Convert to fraction form
    65,213.46/97,772.34 = 20,814.63/x
  3. Step 3: Cross multiply
    65,213.46x = 97,772.34 × 20,814.63
  4. Step 4: Simplify right side
    65,213.46x = 2,035,095,081.33
  5. Step 5: Solve for x
    x = 2,035,095,081.33/65,213.46
  6. Step 6: Final answer
    x = 31,206.67

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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.