Home / 39,013.68-58,384.44-31,911.60

Finding the Fourth Proportional to 39,013.68, 58,384.44 and 31,911.60

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Solution

The fourth proportional to 39,013.68, 58,384.44 and 31,911.60 is: 47,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,013.68 : 58,384.44 = 31,911.60 : x
  2. Step 2: Convert to fraction form
    39,013.68/58,384.44 = 31,911.60/x
  3. Step 3: Cross multiply
    39,013.68x = 58,384.44 × 31,911.60
  4. Step 4: Simplify right side
    39,013.68x = 1,863,140,895.50
  5. Step 5: Solve for x
    x = 1,863,140,895.50/39,013.68
  6. Step 6: Final answer
    x = 47,756.09

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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.