Home / 35,501.20-53,206.57-18,869.20

Finding the Fourth Proportional to 35,501.20, 53,206.57 and 18,869.20

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Solution

The fourth proportional to 35,501.20, 53,206.57 and 18,869.20 is: 28,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,501.20 : 53,206.57 = 18,869.20 : x
  2. Step 2: Convert to fraction form
    35,501.20/53,206.57 = 18,869.20/x
  3. Step 3: Cross multiply
    35,501.20x = 53,206.57 × 18,869.20
  4. Step 4: Simplify right side
    35,501.20x = 1,003,965,410.64
  5. Step 5: Solve for x
    x = 1,003,965,410.64/35,501.20
  6. Step 6: Final answer
    x = 28,279.76

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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.