Home / 30,345.37-45,523.51-9,285.01

Finding the Fourth Proportional to 30,345.37, 45,523.51 and 9,285.01

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Solution

The fourth proportional to 30,345.37, 45,523.51 and 9,285.01 is: 13,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.37 : 45,523.51 = 9,285.01 : x
  2. Step 2: Convert to fraction form
    30,345.37/45,523.51 = 9,285.01/x
  3. Step 3: Cross multiply
    30,345.37x = 45,523.51 × 9,285.01
  4. Step 4: Simplify right side
    30,345.37x = 422,686,108.56
  5. Step 5: Solve for x
    x = 422,686,108.56/30,345.37
  6. Step 6: Final answer
    x = 13,929.18

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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.