Home / 35,394.47-48,846.36-20,289.63

Finding the Fourth Proportional to 35,394.47, 48,846.36 and 20,289.63

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Solution

The fourth proportional to 35,394.47, 48,846.36 and 20,289.63 is: 28,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.47 : 48,846.36 = 20,289.63 : x
  2. Step 2: Convert to fraction form
    35,394.47/48,846.36 = 20,289.63/x
  3. Step 3: Cross multiply
    35,394.47x = 48,846.36 × 20,289.63
  4. Step 4: Simplify right side
    35,394.47x = 991,074,571.25
  5. Step 5: Solve for x
    x = 991,074,571.25/35,394.47
  6. Step 6: Final answer
    x = 28,000.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.