Home / 43,053.48-64,586.70-15,345

Finding the Fourth Proportional to 43,053.48, 64,586.70 and 15,345

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Solution

The fourth proportional to 43,053.48, 64,586.70 and 15,345 is: 23,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,053.48 : 64,586.70 = 15,345 : x
  2. Step 2: Convert to fraction form
    43,053.48/64,586.70 = 15,345/x
  3. Step 3: Cross multiply
    43,053.48x = 64,586.70 × 15,345
  4. Step 4: Simplify right side
    43,053.48x = 991,082,911.50
  5. Step 5: Solve for x
    x = 991,082,911.50/43,053.48
  6. Step 6: Final answer
    x = 23,019.81

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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.