Home / 38,274.93-52,817.27-21,507.93

Finding the Fourth Proportional to 38,274.93, 52,817.27 and 21,507.93

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Solution

The fourth proportional to 38,274.93, 52,817.27 and 21,507.93 is: 29,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.93 : 52,817.27 = 21,507.93 : x
  2. Step 2: Convert to fraction form
    38,274.93/52,817.27 = 21,507.93/x
  3. Step 3: Cross multiply
    38,274.93x = 52,817.27 × 21,507.93
  4. Step 4: Simplify right side
    38,274.93x = 1,135,990,038.41
  5. Step 5: Solve for x
    x = 1,135,990,038.41/38,274.93
  6. Step 6: Final answer
    x = 29,679.74

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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.