Home / 51,416.91-70,950.47-30,192.08

Finding the Fourth Proportional to 51,416.91, 70,950.47 and 30,192.08

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Solution

The fourth proportional to 51,416.91, 70,950.47 and 30,192.08 is: 41,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.91 : 70,950.47 = 30,192.08 : x
  2. Step 2: Convert to fraction form
    51,416.91/70,950.47 = 30,192.08/x
  3. Step 3: Cross multiply
    51,416.91x = 70,950.47 × 30,192.08
  4. Step 4: Simplify right side
    51,416.91x = 2,142,141,760.56
  5. Step 5: Solve for x
    x = 2,142,141,760.56/51,416.91
  6. Step 6: Final answer
    x = 41,662.20

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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.