Home / 30,388.77-45,582.62-9,612.27

Finding the Fourth Proportional to 30,388.77, 45,582.62 and 9,612.27

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Solution

The fourth proportional to 30,388.77, 45,582.62 and 9,612.27 is: 14,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.77 : 45,582.62 = 9,612.27 : x
  2. Step 2: Convert to fraction form
    30,388.77/45,582.62 = 9,612.27/x
  3. Step 3: Cross multiply
    30,388.77x = 45,582.62 × 9,612.27
  4. Step 4: Simplify right side
    30,388.77x = 438,152,402.69
  5. Step 5: Solve for x
    x = 438,152,402.69/30,388.77
  6. Step 6: Final answer
    x = 14,418.23

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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.