Home / 30,780.41-46,174.86-14,140.17

Finding the Fourth Proportional to 30,780.41, 46,174.86 and 14,140.17

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Solution

The fourth proportional to 30,780.41, 46,174.86 and 14,140.17 is: 21,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,780.41 : 46,174.86 = 14,140.17 : x
  2. Step 2: Convert to fraction form
    30,780.41/46,174.86 = 14,140.17/x
  3. Step 3: Cross multiply
    30,780.41x = 46,174.86 × 14,140.17
  4. Step 4: Simplify right side
    30,780.41x = 652,920,370.13
  5. Step 5: Solve for x
    x = 652,920,370.13/30,780.41
  6. Step 6: Final answer
    x = 21,212.21

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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.