Home / 30,763.20-46,131.30-14,117.70

Finding the Fourth Proportional to 30,763.20, 46,131.30 and 14,117.70

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Solution

The fourth proportional to 30,763.20, 46,131.30 and 14,117.70 is: 21,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.20 : 46,131.30 = 14,117.70 : x
  2. Step 2: Convert to fraction form
    30,763.20/46,131.30 = 14,117.70/x
  3. Step 3: Cross multiply
    30,763.20x = 46,131.30 × 14,117.70
  4. Step 4: Simplify right side
    30,763.20x = 651,267,854.01
  5. Step 5: Solve for x
    x = 651,267,854.01/30,763.20
  6. Step 6: Final answer
    x = 21,170.35

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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.