Home / 30,424.48-45,610.08-14,621.62

Finding the Fourth Proportional to 30,424.48, 45,610.08 and 14,621.62

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Solution

The fourth proportional to 30,424.48, 45,610.08 and 14,621.62 is: 21,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.48 : 45,610.08 = 14,621.62 : x
  2. Step 2: Convert to fraction form
    30,424.48/45,610.08 = 14,621.62/x
  3. Step 3: Cross multiply
    30,424.48x = 45,610.08 × 14,621.62
  4. Step 4: Simplify right side
    30,424.48x = 666,893,257.93
  5. Step 5: Solve for x
    x = 666,893,257.93/30,424.48
  6. Step 6: Final answer
    x = 21,919.63

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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.