Home / 46,308.08-69,478.78-18,212.56

Finding the Fourth Proportional to 46,308.08, 69,478.78 and 18,212.56

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Solution

The fourth proportional to 46,308.08, 69,478.78 and 18,212.56 is: 27,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,308.08 : 69,478.78 = 18,212.56 : x
  2. Step 2: Convert to fraction form
    46,308.08/69,478.78 = 18,212.56/x
  3. Step 3: Cross multiply
    46,308.08x = 69,478.78 × 18,212.56
  4. Step 4: Simplify right side
    46,308.08x = 1,265,386,449.48
  5. Step 5: Solve for x
    x = 1,265,386,449.48/46,308.08
  6. Step 6: Final answer
    x = 27,325.39

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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.