Home / 39,930.34-55,102.88-22,024.98

Finding the Fourth Proportional to 39,930.34, 55,102.88 and 22,024.98

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Solution

The fourth proportional to 39,930.34, 55,102.88 and 22,024.98 is: 30,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.34 : 55,102.88 = 22,024.98 : x
  2. Step 2: Convert to fraction form
    39,930.34/55,102.88 = 22,024.98/x
  3. Step 3: Cross multiply
    39,930.34x = 55,102.88 × 22,024.98
  4. Step 4: Simplify right side
    39,930.34x = 1,213,639,829.94
  5. Step 5: Solve for x
    x = 1,213,639,829.94/39,930.34
  6. Step 6: Final answer
    x = 30,393.93

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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.