Home / 51,365.51-70,884.01-28,704.24

Finding the Fourth Proportional to 51,365.51, 70,884.01 and 28,704.24

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Solution

The fourth proportional to 51,365.51, 70,884.01 and 28,704.24 is: 39,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.51 : 70,884.01 = 28,704.24 : x
  2. Step 2: Convert to fraction form
    51,365.51/70,884.01 = 28,704.24/x
  3. Step 3: Cross multiply
    51,365.51x = 70,884.01 × 28,704.24
  4. Step 4: Simplify right side
    51,365.51x = 2,034,671,671.08
  5. Step 5: Solve for x
    x = 2,034,671,671.08/51,365.51
  6. Step 6: Final answer
    x = 39,611.63

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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.