Home / 30,231.03-45,346.65-10,509.75

Finding the Fourth Proportional to 30,231.03, 45,346.65 and 10,509.75

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Solution

The fourth proportional to 30,231.03, 45,346.65 and 10,509.75 is: 15,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.03 : 45,346.65 = 10,509.75 : x
  2. Step 2: Convert to fraction form
    30,231.03/45,346.65 = 10,509.75/x
  3. Step 3: Cross multiply
    30,231.03x = 45,346.65 × 10,509.75
  4. Step 4: Simplify right side
    30,231.03x = 476,581,954.84
  5. Step 5: Solve for x
    x = 476,581,954.84/30,231.03
  6. Step 6: Final answer
    x = 15,764.66

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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.