Home / 30,758.31-46,139.13-17,623.35

Finding the Fourth Proportional to 30,758.31, 46,139.13 and 17,623.35

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Solution

The fourth proportional to 30,758.31, 46,139.13 and 17,623.35 is: 26,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.31 : 46,139.13 = 17,623.35 : x
  2. Step 2: Convert to fraction form
    30,758.31/46,139.13 = 17,623.35/x
  3. Step 3: Cross multiply
    30,758.31x = 46,139.13 × 17,623.35
  4. Step 4: Simplify right side
    30,758.31x = 813,126,036.69
  5. Step 5: Solve for x
    x = 813,126,036.69/30,758.31
  6. Step 6: Final answer
    x = 26,435.98

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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.