Home / 37,412.68-51,638.33-21,506.35

Finding the Fourth Proportional to 37,412.68, 51,638.33 and 21,506.35

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Solution

The fourth proportional to 37,412.68, 51,638.33 and 21,506.35 is: 29,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.68 : 51,638.33 = 21,506.35 : x
  2. Step 2: Convert to fraction form
    37,412.68/51,638.33 = 21,506.35/x
  3. Step 3: Cross multiply
    37,412.68x = 51,638.33 × 21,506.35
  4. Step 4: Simplify right side
    37,412.68x = 1,110,551,890.86
  5. Step 5: Solve for x
    x = 1,110,551,890.86/37,412.68
  6. Step 6: Final answer
    x = 29,683.84

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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.