Home / 30,087.81-41,521.64-16,475.63

Finding the Fourth Proportional to 30,087.81, 41,521.64 and 16,475.63

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Solution

The fourth proportional to 30,087.81, 41,521.64 and 16,475.63 is: 22,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.81 : 41,521.64 = 16,475.63 : x
  2. Step 2: Convert to fraction form
    30,087.81/41,521.64 = 16,475.63/x
  3. Step 3: Cross multiply
    30,087.81x = 41,521.64 × 16,475.63
  4. Step 4: Simplify right side
    30,087.81x = 684,094,887.65
  5. Step 5: Solve for x
    x = 684,094,887.65/30,087.81
  6. Step 6: Final answer
    x = 22,736.61

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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.