Home / 45,632.44-68,351.61-21,905.01

Finding the Fourth Proportional to 45,632.44, 68,351.61 and 21,905.01

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Solution

The fourth proportional to 45,632.44, 68,351.61 and 21,905.01 is: 32,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,632.44 : 68,351.61 = 21,905.01 : x
  2. Step 2: Convert to fraction form
    45,632.44/68,351.61 = 21,905.01/x
  3. Step 3: Cross multiply
    45,632.44x = 68,351.61 × 21,905.01
  4. Step 4: Simplify right side
    45,632.44x = 1,497,242,782.71
  5. Step 5: Solve for x
    x = 1,497,242,782.71/45,632.44
  6. Step 6: Final answer
    x = 32,810.93

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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.