Home / 52,283.72-72,102.34-40,328.12

Finding the Fourth Proportional to 52,283.72, 72,102.34 and 40,328.12

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Solution

The fourth proportional to 52,283.72, 72,102.34 and 40,328.12 is: 55,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,283.72 : 72,102.34 = 40,328.12 : x
  2. Step 2: Convert to fraction form
    52,283.72/72,102.34 = 40,328.12/x
  3. Step 3: Cross multiply
    52,283.72x = 72,102.34 × 40,328.12
  4. Step 4: Simplify right side
    52,283.72x = 2,907,751,819.80
  5. Step 5: Solve for x
    x = 2,907,751,819.80/52,283.72
  6. Step 6: Final answer
    x = 55,614.86

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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.