Home / 30,015.77-41,421.58-16,587.79

Finding the Fourth Proportional to 30,015.77, 41,421.58 and 16,587.79

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Solution

The fourth proportional to 30,015.77, 41,421.58 and 16,587.79 is: 22,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.77 : 41,421.58 = 16,587.79 : x
  2. Step 2: Convert to fraction form
    30,015.77/41,421.58 = 16,587.79/x
  3. Step 3: Cross multiply
    30,015.77x = 41,421.58 × 16,587.79
  4. Step 4: Simplify right side
    30,015.77x = 687,092,325.48
  5. Step 5: Solve for x
    x = 687,092,325.48/30,015.77
  6. Step 6: Final answer
    x = 22,891.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.