Home / 30,015.24-41,420.56-16,587.08

Finding the Fourth Proportional to 30,015.24, 41,420.56 and 16,587.08

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Solution

The fourth proportional to 30,015.24, 41,420.56 and 16,587.08 is: 22,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.24 : 41,420.56 = 16,587.08 : x
  2. Step 2: Convert to fraction form
    30,015.24/41,420.56 = 16,587.08/x
  3. Step 3: Cross multiply
    30,015.24x = 41,420.56 × 16,587.08
  4. Step 4: Simplify right side
    30,015.24x = 687,046,142.36
  5. Step 5: Solve for x
    x = 687,046,142.36/30,015.24
  6. Step 6: Final answer
    x = 22,889.91

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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.