Home / 51,239.40-70,629.54-38,474.16

Finding the Fourth Proportional to 51,239.40, 70,629.54 and 38,474.16

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Solution

The fourth proportional to 51,239.40, 70,629.54 and 38,474.16 is: 53,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.40 : 70,629.54 = 38,474.16 : x
  2. Step 2: Convert to fraction form
    51,239.40/70,629.54 = 38,474.16/x
  3. Step 3: Cross multiply
    51,239.40x = 70,629.54 × 38,474.16
  4. Step 4: Simplify right side
    51,239.40x = 2,717,412,222.69
  5. Step 5: Solve for x
    x = 2,717,412,222.69/51,239.40
  6. Step 6: Final answer
    x = 53,033.65

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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.