Home / 30,488.30-45,699.09-15,698.10

Finding the Fourth Proportional to 30,488.30, 45,699.09 and 15,698.10

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Solution

The fourth proportional to 30,488.30, 45,699.09 and 15,698.10 is: 23,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.30 : 45,699.09 = 15,698.10 : x
  2. Step 2: Convert to fraction form
    30,488.30/45,699.09 = 15,698.10/x
  3. Step 3: Cross multiply
    30,488.30x = 45,699.09 × 15,698.10
  4. Step 4: Simplify right side
    30,488.30x = 717,388,997.23
  5. Step 5: Solve for x
    x = 717,388,997.23/30,488.30
  6. Step 6: Final answer
    x = 23,529.98

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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.