Home / 38,336.64-52,905.96-21,341.76

Finding the Fourth Proportional to 38,336.64, 52,905.96 and 21,341.76

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Solution

The fourth proportional to 38,336.64, 52,905.96 and 21,341.76 is: 29,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,336.64 : 52,905.96 = 21,341.76 : x
  2. Step 2: Convert to fraction form
    38,336.64/52,905.96 = 21,341.76/x
  3. Step 3: Cross multiply
    38,336.64x = 52,905.96 × 21,341.76
  4. Step 4: Simplify right side
    38,336.64x = 1,129,106,300.89
  5. Step 5: Solve for x
    x = 1,129,106,300.89/38,336.64
  6. Step 6: Final answer
    x = 29,452.41

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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.