Home / 30,864.60-46,370.70-19,792.98

Finding the Fourth Proportional to 30,864.60, 46,370.70 and 19,792.98

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Solution

The fourth proportional to 30,864.60, 46,370.70 and 19,792.98 is: 29,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.60 : 46,370.70 = 19,792.98 : x
  2. Step 2: Convert to fraction form
    30,864.60/46,370.70 = 19,792.98/x
  3. Step 3: Cross multiply
    30,864.60x = 46,370.70 × 19,792.98
  4. Step 4: Simplify right side
    30,864.60x = 917,814,337.69
  5. Step 5: Solve for x
    x = 917,814,337.69/30,864.60
  6. Step 6: Final answer
    x = 29,736.80

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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.