Home / 55,718.10-76,891.62-30,567.60

Finding the Fourth Proportional to 55,718.10, 76,891.62 and 30,567.60

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Solution

The fourth proportional to 55,718.10, 76,891.62 and 30,567.60 is: 42,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,718.10 : 76,891.62 = 30,567.60 : x
  2. Step 2: Convert to fraction form
    55,718.10/76,891.62 = 30,567.60/x
  3. Step 3: Cross multiply
    55,718.10x = 76,891.62 × 30,567.60
  4. Step 4: Simplify right side
    55,718.10x = 2,350,392,283.51
  5. Step 5: Solve for x
    x = 2,350,392,283.51/55,718.10
  6. Step 6: Final answer
    x = 42,183.64

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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.