Home / 32,872.79-45,353.36-18,715.61

Finding the Fourth Proportional to 32,872.79, 45,353.36 and 18,715.61

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Solution

The fourth proportional to 32,872.79, 45,353.36 and 18,715.61 is: 25,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.79 : 45,353.36 = 18,715.61 : x
  2. Step 2: Convert to fraction form
    32,872.79/45,353.36 = 18,715.61/x
  3. Step 3: Cross multiply
    32,872.79x = 45,353.36 × 18,715.61
  4. Step 4: Simplify right side
    32,872.79x = 848,815,477.60
  5. Step 5: Solve for x
    x = 848,815,477.60/32,872.79
  6. Step 6: Final answer
    x = 25,821.22

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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.