Home / 39,031.44-58,505.66-20,292.70

Finding the Fourth Proportional to 39,031.44, 58,505.66 and 20,292.70

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Solution

The fourth proportional to 39,031.44, 58,505.66 and 20,292.70 is: 30,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.44 : 58,505.66 = 20,292.70 : x
  2. Step 2: Convert to fraction form
    39,031.44/58,505.66 = 20,292.70/x
  3. Step 3: Cross multiply
    39,031.44x = 58,505.66 × 20,292.70
  4. Step 4: Simplify right side
    39,031.44x = 1,187,237,806.68
  5. Step 5: Solve for x
    x = 1,187,237,806.68/39,031.44
  6. Step 6: Final answer
    x = 30,417.47

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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.