Home / 48,284.51-72,440.73-20,190.06

Finding the Fourth Proportional to 48,284.51, 72,440.73 and 20,190.06

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Solution

The fourth proportional to 48,284.51, 72,440.73 and 20,190.06 is: 30,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284.51 : 72,440.73 = 20,190.06 : x
  2. Step 2: Convert to fraction form
    48,284.51/72,440.73 = 20,190.06/x
  3. Step 3: Cross multiply
    48,284.51x = 72,440.73 × 20,190.06
  4. Step 4: Simplify right side
    48,284.51x = 1,462,582,685.14
  5. Step 5: Solve for x
    x = 1,462,582,685.14/48,284.51
  6. Step 6: Final answer
    x = 30,290.93

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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.