Home / 32,130.30-48,175.20-13,423.35

Finding the Fourth Proportional to 32,130.30, 48,175.20 and 13,423.35

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Solution

The fourth proportional to 32,130.30, 48,175.20 and 13,423.35 is: 20,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.30 : 48,175.20 = 13,423.35 : x
  2. Step 2: Convert to fraction form
    32,130.30/48,175.20 = 13,423.35/x
  3. Step 3: Cross multiply
    32,130.30x = 48,175.20 × 13,423.35
  4. Step 4: Simplify right side
    32,130.30x = 646,672,570.92
  5. Step 5: Solve for x
    x = 646,672,570.92/32,130.30
  6. Step 6: Final answer
    x = 20,126.56

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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.