Home / 43,237.13-64,857.64-13,249.21

Finding the Fourth Proportional to 43,237.13, 64,857.64 and 13,249.21

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Solution

The fourth proportional to 43,237.13, 64,857.64 and 13,249.21 is: 19,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,237.13 : 64,857.64 = 13,249.21 : x
  2. Step 2: Convert to fraction form
    43,237.13/64,857.64 = 13,249.21/x
  3. Step 3: Cross multiply
    43,237.13x = 64,857.64 × 13,249.21
  4. Step 4: Simplify right side
    43,237.13x = 859,312,492.46
  5. Step 5: Solve for x
    x = 859,312,492.46/43,237.13
  6. Step 6: Final answer
    x = 19,874.41

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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.