Home / 30,039.08-45,059.66-10,317.48

Finding the Fourth Proportional to 30,039.08, 45,059.66 and 10,317.48

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Solution

The fourth proportional to 30,039.08, 45,059.66 and 10,317.48 is: 15,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.08 : 45,059.66 = 10,317.48 : x
  2. Step 2: Convert to fraction form
    30,039.08/45,059.66 = 10,317.48/x
  3. Step 3: Cross multiply
    30,039.08x = 45,059.66 × 10,317.48
  4. Step 4: Simplify right side
    30,039.08x = 464,902,089.27
  5. Step 5: Solve for x
    x = 464,902,089.27/30,039.08
  6. Step 6: Final answer
    x = 15,476.58

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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.