Home / 30,590.07-45,879.63-19,463.72

Finding the Fourth Proportional to 30,590.07, 45,879.63 and 19,463.72

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Solution

The fourth proportional to 30,590.07, 45,879.63 and 19,463.72 is: 29,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.07 : 45,879.63 = 19,463.72 : x
  2. Step 2: Convert to fraction form
    30,590.07/45,879.63 = 19,463.72/x
  3. Step 3: Cross multiply
    30,590.07x = 45,879.63 × 19,463.72
  4. Step 4: Simplify right side
    30,590.07x = 892,988,042.63
  5. Step 5: Solve for x
    x = 892,988,042.63/30,590.07
  6. Step 6: Final answer
    x = 29,192.09

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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.