Home / 51,448.72-70,990.70-30,232.09

Finding the Fourth Proportional to 51,448.72, 70,990.70 and 30,232.09

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Solution

The fourth proportional to 51,448.72, 70,990.70 and 30,232.09 is: 41,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,448.72 : 70,990.70 = 30,232.09 : x
  2. Step 2: Convert to fraction form
    51,448.72/70,990.70 = 30,232.09/x
  3. Step 3: Cross multiply
    51,448.72x = 70,990.70 × 30,232.09
  4. Step 4: Simplify right side
    51,448.72x = 2,146,197,024.90
  5. Step 5: Solve for x
    x = 2,146,197,024.90/51,448.72
  6. Step 6: Final answer
    x = 41,715.27

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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.