Home / 38,084.10-52,555.39-21,088

Finding the Fourth Proportional to 38,084.10, 52,555.39 and 21,088

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Solution

The fourth proportional to 38,084.10, 52,555.39 and 21,088 is: 29,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,084.10 : 52,555.39 = 21,088 : x
  2. Step 2: Convert to fraction form
    38,084.10/52,555.39 = 21,088/x
  3. Step 3: Cross multiply
    38,084.10x = 52,555.39 × 21,088
  4. Step 4: Simplify right side
    38,084.10x = 1,108,288,064.32
  5. Step 5: Solve for x
    x = 1,108,288,064.32/38,084.10
  6. Step 6: Final answer
    x = 29,101.07

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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.