Home / 30,739.65-46,091-20,848.95

Finding the Fourth Proportional to 30,739.65, 46,091 and 20,848.95

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Solution

The fourth proportional to 30,739.65, 46,091 and 20,848.95 is: 31,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739.65 : 46,091 = 20,848.95 : x
  2. Step 2: Convert to fraction form
    30,739.65/46,091 = 20,848.95/x
  3. Step 3: Cross multiply
    30,739.65x = 46,091 × 20,848.95
  4. Step 4: Simplify right side
    30,739.65x = 960,948,724.00
  5. Step 5: Solve for x
    x = 960,948,724.00/30,739.65
  6. Step 6: Final answer
    x = 31,260.89

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1.5x scale

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.