Home / 30,761.00-46,116.49-12,980.18

Finding the Fourth Proportional to 30,761.00, 46,116.49 and 12,980.18

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Solution

The fourth proportional to 30,761.00, 46,116.49 and 12,980.18 is: 19,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.00 : 46,116.49 = 12,980.18 : x
  2. Step 2: Convert to fraction form
    30,761.00/46,116.49 = 12,980.18/x
  3. Step 3: Cross multiply
    30,761.00x = 46,116.49 × 12,980.18
  4. Step 4: Simplify right side
    30,761.00x = 598,600,448.35
  5. Step 5: Solve for x
    x = 598,600,448.35/30,761.00
  6. Step 6: Final answer
    x = 19,459.72

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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.