Home / 51,023.58-70,412.09-28,362

Finding the Fourth Proportional to 51,023.58, 70,412.09 and 28,362

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Solution

The fourth proportional to 51,023.58, 70,412.09 and 28,362 is: 39,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,023.58 : 70,412.09 = 28,362 : x
  2. Step 2: Convert to fraction form
    51,023.58/70,412.09 = 28,362/x
  3. Step 3: Cross multiply
    51,023.58x = 70,412.09 × 28,362
  4. Step 4: Simplify right side
    51,023.58x = 1,997,027,554.77
  5. Step 5: Solve for x
    x = 1,997,027,554.77/51,023.58
  6. Step 6: Final answer
    x = 39,139.31

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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.