Home / 48,071.99-66,334.12-28,687.31

Finding the Fourth Proportional to 48,071.99, 66,334.12 and 28,687.31

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Solution

The fourth proportional to 48,071.99, 66,334.12 and 28,687.31 is: 39,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.99 : 66,334.12 = 28,687.31 : x
  2. Step 2: Convert to fraction form
    48,071.99/66,334.12 = 28,687.31/x
  3. Step 3: Cross multiply
    48,071.99x = 66,334.12 × 28,687.31
  4. Step 4: Simplify right side
    48,071.99x = 1,902,947,464.02
  5. Step 5: Solve for x
    x = 1,902,947,464.02/48,071.99
  6. Step 6: Final answer
    x = 39,585.37

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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.