Home / 96,978.24-145,467.24-30,424.20

Finding the Fourth Proportional to 96,978.24, 145,467.24 and 30,424.20

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Solution

The fourth proportional to 96,978.24, 145,467.24 and 30,424.20 is: 45,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,978.24 : 145,467.24 = 30,424.20 : x
  2. Step 2: Convert to fraction form
    96,978.24/145,467.24 = 30,424.20/x
  3. Step 3: Cross multiply
    96,978.24x = 145,467.24 × 30,424.20
  4. Step 4: Simplify right side
    96,978.24x = 4,425,724,403.21
  5. Step 5: Solve for x
    x = 4,425,724,403.21/96,978.24
  6. Step 6: Final answer
    x = 45,636.26

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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.