Home / 43,510.80-65,270.75-18,553.49

Finding the Fourth Proportional to 43,510.80, 65,270.75 and 18,553.49

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Solution

The fourth proportional to 43,510.80, 65,270.75 and 18,553.49 is: 27,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,510.80 : 65,270.75 = 18,553.49 : x
  2. Step 2: Convert to fraction form
    43,510.80/65,270.75 = 18,553.49/x
  3. Step 3: Cross multiply
    43,510.80x = 65,270.75 × 18,553.49
  4. Step 4: Simplify right side
    43,510.80x = 1,210,999,788.30
  5. Step 5: Solve for x
    x = 1,210,999,788.30/43,510.80
  6. Step 6: Final answer
    x = 27,832.17

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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.