Home / 45,089.64-67,645.59-13,924.89

Finding the Fourth Proportional to 45,089.64, 67,645.59 and 13,924.89

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Solution

The fourth proportional to 45,089.64, 67,645.59 and 13,924.89 is: 20,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,089.64 : 67,645.59 = 13,924.89 : x
  2. Step 2: Convert to fraction form
    45,089.64/67,645.59 = 13,924.89/x
  3. Step 3: Cross multiply
    45,089.64x = 67,645.59 × 13,924.89
  4. Step 4: Simplify right side
    45,089.64x = 941,957,399.74
  5. Step 5: Solve for x
    x = 941,957,399.74/45,089.64
  6. Step 6: Final answer
    x = 20,890.77

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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.