Home / 64,827.57-97,241.37-20,457.78

Finding the Fourth Proportional to 64,827.57, 97,241.37 and 20,457.78

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Solution

The fourth proportional to 64,827.57, 97,241.37 and 20,457.78 is: 30,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,827.57 : 97,241.37 = 20,457.78 : x
  2. Step 2: Convert to fraction form
    64,827.57/97,241.37 = 20,457.78/x
  3. Step 3: Cross multiply
    64,827.57x = 97,241.37 × 20,457.78
  4. Step 4: Simplify right side
    64,827.57x = 1,989,342,554.36
  5. Step 5: Solve for x
    x = 1,989,342,554.36/64,827.57
  6. Step 6: Final answer
    x = 30,686.67

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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.