Home / 43,530.48-65,247.12-17,215.20

Finding the Fourth Proportional to 43,530.48, 65,247.12 and 17,215.20

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Solution

The fourth proportional to 43,530.48, 65,247.12 and 17,215.20 is: 25,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.48 : 65,247.12 = 17,215.20 : x
  2. Step 2: Convert to fraction form
    43,530.48/65,247.12 = 17,215.20/x
  3. Step 3: Cross multiply
    43,530.48x = 65,247.12 × 17,215.20
  4. Step 4: Simplify right side
    43,530.48x = 1,123,242,220.22
  5. Step 5: Solve for x
    x = 1,123,242,220.22/43,530.48
  6. Step 6: Final answer
    x = 25,803.58

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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.