Home / 38,298.96-52,852.50-21,531.96

Finding the Fourth Proportional to 38,298.96, 52,852.50 and 21,531.96

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Solution

The fourth proportional to 38,298.96, 52,852.50 and 21,531.96 is: 29,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.96 : 52,852.50 = 21,531.96 : x
  2. Step 2: Convert to fraction form
    38,298.96/52,852.50 = 21,531.96/x
  3. Step 3: Cross multiply
    38,298.96x = 52,852.50 × 21,531.96
  4. Step 4: Simplify right side
    38,298.96x = 1,138,017,915.90
  5. Step 5: Solve for x
    x = 1,138,017,915.90/38,298.96
  6. Step 6: Final answer
    x = 29,714.07

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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.