Home / 29,950.86-41,330.88-18,020.64

Finding the Fourth Proportional to 29,950.86, 41,330.88 and 18,020.64

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Solution

The fourth proportional to 29,950.86, 41,330.88 and 18,020.64 is: 24,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,950.86 : 41,330.88 = 18,020.64 : x
  2. Step 2: Convert to fraction form
    29,950.86/41,330.88 = 18,020.64/x
  3. Step 3: Cross multiply
    29,950.86x = 41,330.88 × 18,020.64
  4. Step 4: Simplify right side
    29,950.86x = 744,808,909.36
  5. Step 5: Solve for x
    x = 744,808,909.36/29,950.86
  6. Step 6: Final answer
    x = 24,867.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.