Home / 35,815.10-53,722.59-9,519.84

Finding the Fourth Proportional to 35,815.10, 53,722.59 and 9,519.84

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Solution

The fourth proportional to 35,815.10, 53,722.59 and 9,519.84 is: 14,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.10 : 53,722.59 = 9,519.84 : x
  2. Step 2: Convert to fraction form
    35,815.10/53,722.59 = 9,519.84/x
  3. Step 3: Cross multiply
    35,815.10x = 53,722.59 × 9,519.84
  4. Step 4: Simplify right side
    35,815.10x = 511,430,437.39
  5. Step 5: Solve for x
    x = 511,430,437.39/35,815.10
  6. Step 6: Final answer
    x = 14,279.74

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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.