Home / 45,088.88-67,613.72-21,403.21

Finding the Fourth Proportional to 45,088.88, 67,613.72 and 21,403.21

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Solution

The fourth proportional to 45,088.88, 67,613.72 and 21,403.21 is: 32,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,088.88 : 67,613.72 = 21,403.21 : x
  2. Step 2: Convert to fraction form
    45,088.88/67,613.72 = 21,403.21/x
  3. Step 3: Cross multiply
    45,088.88x = 67,613.72 × 21,403.21
  4. Step 4: Simplify right side
    45,088.88x = 1,447,150,899.62
  5. Step 5: Solve for x
    x = 1,447,150,899.62/45,088.88
  6. Step 6: Final answer
    x = 32,095.52

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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.