Home / 35,101.80-52,673.51-12,930.71

Finding the Fourth Proportional to 35,101.80, 52,673.51 and 12,930.71

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Solution

The fourth proportional to 35,101.80, 52,673.51 and 12,930.71 is: 19,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,101.80 : 52,673.51 = 12,930.71 : x
  2. Step 2: Convert to fraction form
    35,101.80/52,673.51 = 12,930.71/x
  3. Step 3: Cross multiply
    35,101.80x = 52,673.51 × 12,930.71
  4. Step 4: Simplify right side
    35,101.80x = 681,105,651.45
  5. Step 5: Solve for x
    x = 681,105,651.45/35,101.80
  6. Step 6: Final answer
    x = 19,403.72

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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.