Home / 38,148.26-52,650.02-21,156.28

Finding the Fourth Proportional to 38,148.26, 52,650.02 and 21,156.28

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Solution

The fourth proportional to 38,148.26, 52,650.02 and 21,156.28 is: 29,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.26 : 52,650.02 = 21,156.28 : x
  2. Step 2: Convert to fraction form
    38,148.26/52,650.02 = 21,156.28/x
  3. Step 3: Cross multiply
    38,148.26x = 52,650.02 × 21,156.28
  4. Step 4: Simplify right side
    38,148.26x = 1,113,878,367.39
  5. Step 5: Solve for x
    x = 1,113,878,367.39/38,148.26
  6. Step 6: Final answer
    x = 29,198.67

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Double scale
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Similar ratio
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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.