Home / 31,962.68-44,129.04-20,637.26

Finding the Fourth Proportional to 31,962.68, 44,129.04 and 20,637.26

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Solution

The fourth proportional to 31,962.68, 44,129.04 and 20,637.26 is: 28,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.68 : 44,129.04 = 20,637.26 : x
  2. Step 2: Convert to fraction form
    31,962.68/44,129.04 = 20,637.26/x
  3. Step 3: Cross multiply
    31,962.68x = 44,129.04 × 20,637.26
  4. Step 4: Simplify right side
    31,962.68x = 910,702,472.03
  5. Step 5: Solve for x
    x = 910,702,472.03/31,962.68
  6. Step 6: Final answer
    x = 28,492.68

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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.