Home / 46,829.28-70,218.72-20,503.38

Finding the Fourth Proportional to 46,829.28, 70,218.72 and 20,503.38

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Solution

The fourth proportional to 46,829.28, 70,218.72 and 20,503.38 is: 30,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,829.28 : 70,218.72 = 20,503.38 : x
  2. Step 2: Convert to fraction form
    46,829.28/70,218.72 = 20,503.38/x
  3. Step 3: Cross multiply
    46,829.28x = 70,218.72 × 20,503.38
  4. Step 4: Simplify right side
    46,829.28x = 1,439,721,099.27
  5. Step 5: Solve for x
    x = 1,439,721,099.27/46,829.28
  6. Step 6: Final answer
    x = 30,744.04

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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.