Home / 89,187.27-133,800.63-30,021

Finding the Fourth Proportional to 89,187.27, 133,800.63 and 30,021

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Solution

The fourth proportional to 89,187.27, 133,800.63 and 30,021 is: 45,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.27 : 133,800.63 = 30,021 : x
  2. Step 2: Convert to fraction form
    89,187.27/133,800.63 = 30,021/x
  3. Step 3: Cross multiply
    89,187.27x = 133,800.63 × 30,021
  4. Step 4: Simplify right side
    89,187.27x = 4,016,828,713.23
  5. Step 5: Solve for x
    x = 4,016,828,713.23/89,187.27
  6. Step 6: Final answer
    x = 45,038.14

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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.