Home / 46,830.38-70,245.63-19,128.38

Finding the Fourth Proportional to 46,830.38, 70,245.63 and 19,128.38

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Solution

The fourth proportional to 46,830.38, 70,245.63 and 19,128.38 is: 28,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,830.38 : 70,245.63 = 19,128.38 : x
  2. Step 2: Convert to fraction form
    46,830.38/70,245.63 = 19,128.38/x
  3. Step 3: Cross multiply
    46,830.38x = 70,245.63 × 19,128.38
  4. Step 4: Simplify right side
    46,830.38x = 1,343,684,752.75
  5. Step 5: Solve for x
    x = 1,343,684,752.75/46,830.38
  6. Step 6: Final answer
    x = 28,692.59

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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.