Home / 45,225.06-67,816.01-20,265.32

Finding the Fourth Proportional to 45,225.06, 67,816.01 and 20,265.32

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Solution

The fourth proportional to 45,225.06, 67,816.01 and 20,265.32 is: 30,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.06 : 67,816.01 = 20,265.32 : x
  2. Step 2: Convert to fraction form
    45,225.06/67,816.01 = 20,265.32/x
  3. Step 3: Cross multiply
    45,225.06x = 67,816.01 × 20,265.32
  4. Step 4: Simplify right side
    45,225.06x = 1,374,312,703.37
  5. Step 5: Solve for x
    x = 1,374,312,703.37/45,225.06
  6. Step 6: Final answer
    x = 30,388.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.