Home / 57,528.90-79,389.72-32,378.40

Finding the Fourth Proportional to 57,528.90, 79,389.72 and 32,378.40

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Solution

The fourth proportional to 57,528.90, 79,389.72 and 32,378.40 is: 44,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528.90 : 79,389.72 = 32,378.40 : x
  2. Step 2: Convert to fraction form
    57,528.90/79,389.72 = 32,378.40/x
  3. Step 3: Cross multiply
    57,528.90x = 79,389.72 × 32,378.40
  4. Step 4: Simplify right side
    57,528.90x = 2,570,512,110.05
  5. Step 5: Solve for x
    x = 2,570,512,110.05/57,528.90
  6. Step 6: Final answer
    x = 44,682.10

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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.