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Finding the Fourth Proportional to 35,018.58, 52,450.70 and 28,945.70

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Solution

The fourth proportional to 35,018.58, 52,450.70 and 28,945.70 is: 43,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,018.58 : 52,450.70 = 28,945.70 : x
  2. Step 2: Convert to fraction form
    35,018.58/52,450.70 = 28,945.70/x
  3. Step 3: Cross multiply
    35,018.58x = 52,450.70 × 28,945.70
  4. Step 4: Simplify right side
    35,018.58x = 1,518,222,226.99
  5. Step 5: Solve for x
    x = 1,518,222,226.99/35,018.58
  6. Step 6: Final answer
    x = 43,354.76

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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.