Home / 38,981.63-58,482.18-11,279.63

Finding the Fourth Proportional to 38,981.63, 58,482.18 and 11,279.63

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Solution

The fourth proportional to 38,981.63, 58,482.18 and 11,279.63 is: 16,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.63 : 58,482.18 = 11,279.63 : x
  2. Step 2: Convert to fraction form
    38,981.63/58,482.18 = 11,279.63/x
  3. Step 3: Cross multiply
    38,981.63x = 58,482.18 × 11,279.63
  4. Step 4: Simplify right side
    38,981.63x = 659,657,059.58
  5. Step 5: Solve for x
    x = 659,657,059.58/38,981.63
  6. Step 6: Final answer
    x = 16,922.26

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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.