Home / 43,230.35-64,851.19-16,931.67

Finding the Fourth Proportional to 43,230.35, 64,851.19 and 16,931.67

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Solution

The fourth proportional to 43,230.35, 64,851.19 and 16,931.67 is: 25,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.35 : 64,851.19 = 16,931.67 : x
  2. Step 2: Convert to fraction form
    43,230.35/64,851.19 = 16,931.67/x
  3. Step 3: Cross multiply
    43,230.35x = 64,851.19 × 16,931.67
  4. Step 4: Simplify right side
    43,230.35x = 1,098,038,948.19
  5. Step 5: Solve for x
    x = 1,098,038,948.19/43,230.35
  6. Step 6: Final answer
    x = 25,399.72

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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.