Home / 30,954.17-46,385.74-18,290.91

Finding the Fourth Proportional to 30,954.17, 46,385.74 and 18,290.91

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Solution

The fourth proportional to 30,954.17, 46,385.74 and 18,290.91 is: 27,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.17 : 46,385.74 = 18,290.91 : x
  2. Step 2: Convert to fraction form
    30,954.17/46,385.74 = 18,290.91/x
  3. Step 3: Cross multiply
    30,954.17x = 46,385.74 × 18,290.91
  4. Step 4: Simplify right side
    30,954.17x = 848,437,349.90
  5. Step 5: Solve for x
    x = 848,437,349.90/30,954.17
  6. Step 6: Final answer
    x = 27,409.47

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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.