Home / 53,400.63-80,113.10-28,427.52

Finding the Fourth Proportional to 53,400.63, 80,113.10 and 28,427.52

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Solution

The fourth proportional to 53,400.63, 80,113.10 and 28,427.52 is: 42,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,400.63 : 80,113.10 = 28,427.52 : x
  2. Step 2: Convert to fraction form
    53,400.63/80,113.10 = 28,427.52/x
  3. Step 3: Cross multiply
    53,400.63x = 80,113.10 × 28,427.52
  4. Step 4: Simplify right side
    53,400.63x = 2,277,416,610.37
  5. Step 5: Solve for x
    x = 2,277,416,610.37/53,400.63
  6. Step 6: Final answer
    x = 42,647.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.