Home / 30,955.08-46,434.78-13,425.96

Finding the Fourth Proportional to 30,955.08, 46,434.78 and 13,425.96

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Solution

The fourth proportional to 30,955.08, 46,434.78 and 13,425.96 is: 20,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.08 : 46,434.78 = 13,425.96 : x
  2. Step 2: Convert to fraction form
    30,955.08/46,434.78 = 13,425.96/x
  3. Step 3: Cross multiply
    30,955.08x = 46,434.78 × 13,425.96
  4. Step 4: Simplify right side
    30,955.08x = 623,431,498.89
  5. Step 5: Solve for x
    x = 623,431,498.89/30,955.08
  6. Step 6: Final answer
    x = 20,139.88

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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.