Home / 51,150.48-70,580.31-28,486.32

Finding the Fourth Proportional to 51,150.48, 70,580.31 and 28,486.32

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Solution

The fourth proportional to 51,150.48, 70,580.31 and 28,486.32 is: 39,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,150.48 : 70,580.31 = 28,486.32 : x
  2. Step 2: Convert to fraction form
    51,150.48/70,580.31 = 28,486.32/x
  3. Step 3: Cross multiply
    51,150.48x = 70,580.31 × 28,486.32
  4. Step 4: Simplify right side
    51,150.48x = 2,010,573,296.36
  5. Step 5: Solve for x
    x = 2,010,573,296.36/51,150.48
  6. Step 6: Final answer
    x = 39,307.03

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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.