Home / 39,638.16-54,707.65-23,722.57

Finding the Fourth Proportional to 39,638.16, 54,707.65 and 23,722.57

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Solution

The fourth proportional to 39,638.16, 54,707.65 and 23,722.57 is: 32,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.16 : 54,707.65 = 23,722.57 : x
  2. Step 2: Convert to fraction form
    39,638.16/54,707.65 = 23,722.57/x
  3. Step 3: Cross multiply
    39,638.16x = 54,707.65 × 23,722.57
  4. Step 4: Simplify right side
    39,638.16x = 1,297,806,199.18
  5. Step 5: Solve for x
    x = 1,297,806,199.18/39,638.16
  6. Step 6: Final answer
    x = 32,741.33

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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.