Home / 48,556-67,036.44-31,818.16

Finding the Fourth Proportional to 48,556, 67,036.44 and 31,818.16

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Solution

The fourth proportional to 48,556, 67,036.44 and 31,818.16 is: 43,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,556 : 67,036.44 = 31,818.16 : x
  2. Step 2: Convert to fraction form
    48,556/67,036.44 = 31,818.16/x
  3. Step 3: Cross multiply
    48,556x = 67,036.44 × 31,818.16
  4. Step 4: Simplify right side
    48,556x = 2,132,976,173.75
  5. Step 5: Solve for x
    x = 2,132,976,173.75/48,556
  6. Step 6: Final answer
    x = 43,928.17

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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.