Home / 32,915.76-45,423.95-20,168.97

Finding the Fourth Proportional to 32,915.76, 45,423.95 and 20,168.97

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Solution

The fourth proportional to 32,915.76, 45,423.95 and 20,168.97 is: 27,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.76 : 45,423.95 = 20,168.97 : x
  2. Step 2: Convert to fraction form
    32,915.76/45,423.95 = 20,168.97/x
  3. Step 3: Cross multiply
    32,915.76x = 45,423.95 × 20,168.97
  4. Step 4: Simplify right side
    32,915.76x = 916,154,284.83
  5. Step 5: Solve for x
    x = 916,154,284.83/32,915.76
  6. Step 6: Final answer
    x = 27,833.30

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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.