Home / 55,585.93-83,387.58-18,137.35

Finding the Fourth Proportional to 55,585.93, 83,387.58 and 18,137.35

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Solution

The fourth proportional to 55,585.93, 83,387.58 and 18,137.35 is: 27,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,585.93 : 83,387.58 = 18,137.35 : x
  2. Step 2: Convert to fraction form
    55,585.93/83,387.58 = 18,137.35/x
  3. Step 3: Cross multiply
    55,585.93x = 83,387.58 × 18,137.35
  4. Step 4: Simplify right side
    55,585.93x = 1,512,429,724.11
  5. Step 5: Solve for x
    x = 1,512,429,724.11/55,585.93
  6. Step 6: Final answer
    x = 27,208.86

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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.