Home / 65,212.05-97,782.03-20,220.93

Finding the Fourth Proportional to 65,212.05, 97,782.03 and 20,220.93

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Solution

The fourth proportional to 65,212.05, 97,782.03 and 20,220.93 is: 30,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,212.05 : 97,782.03 = 20,220.93 : x
  2. Step 2: Convert to fraction form
    65,212.05/97,782.03 = 20,220.93/x
  3. Step 3: Cross multiply
    65,212.05x = 97,782.03 × 20,220.93
  4. Step 4: Simplify right side
    65,212.05x = 1,977,243,583.89
  5. Step 5: Solve for x
    x = 1,977,243,583.89/65,212.05
  6. Step 6: Final answer
    x = 30,320.22

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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.