Home / 51,053.40-70,448.70-28,696.92

Finding the Fourth Proportional to 51,053.40, 70,448.70 and 28,696.92

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Solution

The fourth proportional to 51,053.40, 70,448.70 and 28,696.92 is: 39,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.40 : 70,448.70 = 28,696.92 : x
  2. Step 2: Convert to fraction form
    51,053.40/70,448.70 = 28,696.92/x
  3. Step 3: Cross multiply
    51,053.40x = 70,448.70 × 28,696.92
  4. Step 4: Simplify right side
    51,053.40x = 2,021,660,708.00
  5. Step 5: Solve for x
    x = 2,021,660,708.00/51,053.40
  6. Step 6: Final answer
    x = 39,598.94

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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.