Home / 32,929.28-45,423.88-20,826.04

Finding the Fourth Proportional to 32,929.28, 45,423.88 and 20,826.04

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Solution

The fourth proportional to 32,929.28, 45,423.88 and 20,826.04 is: 28,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,929.28 : 45,423.88 = 20,826.04 : x
  2. Step 2: Convert to fraction form
    32,929.28/45,423.88 = 20,826.04/x
  3. Step 3: Cross multiply
    32,929.28x = 45,423.88 × 20,826.04
  4. Step 4: Simplify right side
    32,929.28x = 945,999,541.84
  5. Step 5: Solve for x
    x = 945,999,541.84/32,929.28
  6. Step 6: Final answer
    x = 28,728.22

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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.