Home / 45,008.33-67,509.77-18,713.30

Finding the Fourth Proportional to 45,008.33, 67,509.77 and 18,713.30

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Solution

The fourth proportional to 45,008.33, 67,509.77 and 18,713.30 is: 28,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.33 : 67,509.77 = 18,713.30 : x
  2. Step 2: Convert to fraction form
    45,008.33/67,509.77 = 18,713.30/x
  3. Step 3: Cross multiply
    45,008.33x = 67,509.77 × 18,713.30
  4. Step 4: Simplify right side
    45,008.33x = 1,263,330,147.83
  5. Step 5: Solve for x
    x = 1,263,330,147.83/45,008.33
  6. Step 6: Final answer
    x = 28,068.81

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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.