Home / 32,170.17-48,238.78-13,445.09

Finding the Fourth Proportional to 32,170.17, 48,238.78 and 13,445.09

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Solution

The fourth proportional to 32,170.17, 48,238.78 and 13,445.09 is: 20,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,170.17 : 48,238.78 = 13,445.09 : x
  2. Step 2: Convert to fraction form
    32,170.17/48,238.78 = 13,445.09/x
  3. Step 3: Cross multiply
    32,170.17x = 48,238.78 × 13,445.09
  4. Step 4: Simplify right side
    32,170.17x = 648,574,738.59
  5. Step 5: Solve for x
    x = 648,574,738.59/32,170.17
  6. Step 6: Final answer
    x = 20,160.75

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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.