Home / 32,375.60-44,681.88-20,438.32

Finding the Fourth Proportional to 32,375.60, 44,681.88 and 20,438.32

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Solution

The fourth proportional to 32,375.60, 44,681.88 and 20,438.32 is: 28,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,375.60 : 44,681.88 = 20,438.32 : x
  2. Step 2: Convert to fraction form
    32,375.60/44,681.88 = 20,438.32/x
  3. Step 3: Cross multiply
    32,375.60x = 44,681.88 × 20,438.32
  4. Step 4: Simplify right side
    32,375.60x = 913,222,561.64
  5. Step 5: Solve for x
    x = 913,222,561.64/32,375.60
  6. Step 6: Final answer
    x = 28,207.12

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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.