Home / 64,829.58-97,244.38-20,459.78

Finding the Fourth Proportional to 64,829.58, 97,244.38 and 20,459.78

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Solution

The fourth proportional to 64,829.58, 97,244.38 and 20,459.78 is: 30,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.58 : 97,244.38 = 20,459.78 : x
  2. Step 2: Convert to fraction form
    64,829.58/97,244.38 = 20,459.78/x
  3. Step 3: Cross multiply
    64,829.58x = 97,244.38 × 20,459.78
  4. Step 4: Simplify right side
    64,829.58x = 1,989,598,621.04
  5. Step 5: Solve for x
    x = 1,989,598,621.04/64,829.58
  6. Step 6: Final answer
    x = 30,689.67

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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.