Home / 32,915.26-45,423.27-20,168.47

Finding the Fourth Proportional to 32,915.26, 45,423.27 and 20,168.47

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Solution

The fourth proportional to 32,915.26, 45,423.27 and 20,168.47 is: 27,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.26 : 45,423.27 = 20,168.47 : x
  2. Step 2: Convert to fraction form
    32,915.26/45,423.27 = 20,168.47/x
  3. Step 3: Cross multiply
    32,915.26x = 45,423.27 × 20,168.47
  4. Step 4: Simplify right side
    32,915.26x = 916,117,530.34
  5. Step 5: Solve for x
    x = 916,117,530.34/32,915.26
  6. Step 6: Final answer
    x = 27,832.61

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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.