Home / 45,045.28-67,567.91-18,403.84

Finding the Fourth Proportional to 45,045.28, 67,567.91 and 18,403.84

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Solution

The fourth proportional to 45,045.28, 67,567.91 and 18,403.84 is: 27,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,045.28 : 67,567.91 = 18,403.84 : x
  2. Step 2: Convert to fraction form
    45,045.28/67,567.91 = 18,403.84/x
  3. Step 3: Cross multiply
    45,045.28x = 67,567.91 × 18,403.84
  4. Step 4: Simplify right side
    45,045.28x = 1,243,508,997.22
  5. Step 5: Solve for x
    x = 1,243,508,997.22/45,045.28
  6. Step 6: Final answer
    x = 27,605.75

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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.