Home / 30,042.37-45,066.61-10,318.36

Finding the Fourth Proportional to 30,042.37, 45,066.61 and 10,318.36

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Solution

The fourth proportional to 30,042.37, 45,066.61 and 10,318.36 is: 15,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.37 : 45,066.61 = 10,318.36 : x
  2. Step 2: Convert to fraction form
    30,042.37/45,066.61 = 10,318.36/x
  3. Step 3: Cross multiply
    30,042.37x = 45,066.61 × 10,318.36
  4. Step 4: Simplify right side
    30,042.37x = 465,013,505.96
  5. Step 5: Solve for x
    x = 465,013,505.96/30,042.37
  6. Step 6: Final answer
    x = 15,478.59

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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.