Home / 55,431.01-76,494.67-30,280.51

Finding the Fourth Proportional to 55,431.01, 76,494.67 and 30,280.51

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Solution

The fourth proportional to 55,431.01, 76,494.67 and 30,280.51 is: 41,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431.01 : 76,494.67 = 30,280.51 : x
  2. Step 2: Convert to fraction form
    55,431.01/76,494.67 = 30,280.51/x
  3. Step 3: Cross multiply
    55,431.01x = 76,494.67 × 30,280.51
  4. Step 4: Simplify right side
    55,431.01x = 2,316,297,619.88
  5. Step 5: Solve for x
    x = 2,316,297,619.88/55,431.01
  6. Step 6: Final answer
    x = 41,787.04

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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.