Home / 38,124.08-52,611.18-21,357.08

Finding the Fourth Proportional to 38,124.08, 52,611.18 and 21,357.08

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Solution

The fourth proportional to 38,124.08, 52,611.18 and 21,357.08 is: 29,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,124.08 : 52,611.18 = 21,357.08 : x
  2. Step 2: Convert to fraction form
    38,124.08/52,611.18 = 21,357.08/x
  3. Step 3: Cross multiply
    38,124.08x = 52,611.18 × 21,357.08
  4. Step 4: Simplify right side
    38,124.08x = 1,123,621,180.15
  5. Step 5: Solve for x
    x = 1,123,621,180.15/38,124.08
  6. Step 6: Final answer
    x = 29,472.74

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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.