Home / 38,211.59-52,729.34-21,214.47

Finding the Fourth Proportional to 38,211.59, 52,729.34 and 21,214.47

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Solution

The fourth proportional to 38,211.59, 52,729.34 and 21,214.47 is: 29,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.59 : 52,729.34 = 21,214.47 : x
  2. Step 2: Convert to fraction form
    38,211.59/52,729.34 = 21,214.47/x
  3. Step 3: Cross multiply
    38,211.59x = 52,729.34 × 21,214.47
  4. Step 4: Simplify right side
    38,211.59x = 1,118,624,895.48
  5. Step 5: Solve for x
    x = 1,118,624,895.48/38,211.59
  6. Step 6: Final answer
    x = 29,274.50

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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.