Home / 32,157.10-48,244.31-13,430.91

Finding the Fourth Proportional to 32,157.10, 48,244.31 and 13,430.91

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Solution

The fourth proportional to 32,157.10, 48,244.31 and 13,430.91 is: 20,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,157.10 : 48,244.31 = 13,430.91 : x
  2. Step 2: Convert to fraction form
    32,157.10/48,244.31 = 13,430.91/x
  3. Step 3: Cross multiply
    32,157.10x = 48,244.31 × 13,430.91
  4. Step 4: Simplify right side
    32,157.10x = 647,965,149.75
  5. Step 5: Solve for x
    x = 647,965,149.75/32,157.10
  6. Step 6: Final answer
    x = 20,149.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.