Home / 43,177.21-64,774.54-18,217.32

Finding the Fourth Proportional to 43,177.21, 64,774.54 and 18,217.32

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Solution

The fourth proportional to 43,177.21, 64,774.54 and 18,217.32 is: 27,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,177.21 : 64,774.54 = 18,217.32 : x
  2. Step 2: Convert to fraction form
    43,177.21/64,774.54 = 18,217.32/x
  3. Step 3: Cross multiply
    43,177.21x = 64,774.54 × 18,217.32
  4. Step 4: Simplify right side
    43,177.21x = 1,180,018,302.90
  5. Step 5: Solve for x
    x = 1,180,018,302.90/43,177.21
  6. Step 6: Final answer
    x = 27,329.66

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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.