Home / 32,838.72-45,313.20-18,496.80

Finding the Fourth Proportional to 32,838.72, 45,313.20 and 18,496.80

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Solution

The fourth proportional to 32,838.72, 45,313.20 and 18,496.80 is: 25,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.72 : 45,313.20 = 18,496.80 : x
  2. Step 2: Convert to fraction form
    32,838.72/45,313.20 = 18,496.80/x
  3. Step 3: Cross multiply
    32,838.72x = 45,313.20 × 18,496.80
  4. Step 4: Simplify right side
    32,838.72x = 838,149,197.76
  5. Step 5: Solve for x
    x = 838,149,197.76/32,838.72
  6. Step 6: Final answer
    x = 25,523.20

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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.