Home / 38,279.14-52,823.57-21,283.36

Finding the Fourth Proportional to 38,279.14, 52,823.57 and 21,283.36

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Solution

The fourth proportional to 38,279.14, 52,823.57 and 21,283.36 is: 29,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.14 : 52,823.57 = 21,283.36 : x
  2. Step 2: Convert to fraction form
    38,279.14/52,823.57 = 21,283.36/x
  3. Step 3: Cross multiply
    38,279.14x = 52,823.57 × 21,283.36
  4. Step 4: Simplify right side
    38,279.14x = 1,124,263,056.80
  5. Step 5: Solve for x
    x = 1,124,263,056.80/38,279.14
  6. Step 6: Final answer
    x = 29,370.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.