Home / 38,079.58-52,551.76-21,085.70

Finding the Fourth Proportional to 38,079.58, 52,551.76 and 21,085.70

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Solution

The fourth proportional to 38,079.58, 52,551.76 and 21,085.70 is: 29,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.58 : 52,551.76 = 21,085.70 : x
  2. Step 2: Convert to fraction form
    38,079.58/52,551.76 = 21,085.70/x
  3. Step 3: Cross multiply
    38,079.58x = 52,551.76 × 21,085.70
  4. Step 4: Simplify right side
    38,079.58x = 1,108,090,635.85
  5. Step 5: Solve for x
    x = 1,108,090,635.85/38,079.58
  6. Step 6: Final answer
    x = 29,099.34

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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.