Home / 30,939.57-46,424.14-14,290.43

Finding the Fourth Proportional to 30,939.57, 46,424.14 and 14,290.43

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Solution

The fourth proportional to 30,939.57, 46,424.14 and 14,290.43 is: 21,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939.57 : 46,424.14 = 14,290.43 : x
  2. Step 2: Convert to fraction form
    30,939.57/46,424.14 = 14,290.43/x
  3. Step 3: Cross multiply
    30,939.57x = 46,424.14 × 14,290.43
  4. Step 4: Simplify right side
    30,939.57x = 663,420,655.13
  5. Step 5: Solve for x
    x = 663,420,655.13/30,939.57
  6. Step 6: Final answer
    x = 21,442.47

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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.