Home / 53,455.54-80,159.61-28,490.95

Finding the Fourth Proportional to 53,455.54, 80,159.61 and 28,490.95

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Solution

The fourth proportional to 53,455.54, 80,159.61 and 28,490.95 is: 42,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.54 : 80,159.61 = 28,490.95 : x
  2. Step 2: Convert to fraction form
    53,455.54/80,159.61 = 28,490.95/x
  3. Step 3: Cross multiply
    53,455.54x = 80,159.61 × 28,490.95
  4. Step 4: Simplify right side
    53,455.54x = 2,283,823,440.53
  5. Step 5: Solve for x
    x = 2,283,823,440.53/53,455.54
  6. Step 6: Final answer
    x = 42,723.79

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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.