Home / 53,359.30-80,087.40-28,420.48

Finding the Fourth Proportional to 53,359.30, 80,087.40 and 28,420.48

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Solution

The fourth proportional to 53,359.30, 80,087.40 and 28,420.48 is: 42,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.30 : 80,087.40 = 28,420.48 : x
  2. Step 2: Convert to fraction form
    53,359.30/80,087.40 = 28,420.48/x
  3. Step 3: Cross multiply
    53,359.30x = 80,087.40 × 28,420.48
  4. Step 4: Simplify right side
    53,359.30x = 2,276,122,349.95
  5. Step 5: Solve for x
    x = 2,276,122,349.95/53,359.30
  6. Step 6: Final answer
    x = 42,656.53

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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.