Home / 46,475.78-69,740.60-19,820.33

Finding the Fourth Proportional to 46,475.78, 69,740.60 and 19,820.33

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Solution

The fourth proportional to 46,475.78, 69,740.60 and 19,820.33 is: 29,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,475.78 : 69,740.60 = 19,820.33 : x
  2. Step 2: Convert to fraction form
    46,475.78/69,740.60 = 19,820.33/x
  3. Step 3: Cross multiply
    46,475.78x = 69,740.60 × 19,820.33
  4. Step 4: Simplify right side
    46,475.78x = 1,382,281,520.12
  5. Step 5: Solve for x
    x = 1,382,281,520.12/46,475.78
  6. Step 6: Final answer
    x = 29,741.98

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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.