Home / 34,277.40-51,391.80-13,209.30

Finding the Fourth Proportional to 34,277.40, 51,391.80 and 13,209.30

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Solution

The fourth proportional to 34,277.40, 51,391.80 and 13,209.30 is: 19,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,277.40 : 51,391.80 = 13,209.30 : x
  2. Step 2: Convert to fraction form
    34,277.40/51,391.80 = 13,209.30/x
  3. Step 3: Cross multiply
    34,277.40x = 51,391.80 × 13,209.30
  4. Step 4: Simplify right side
    34,277.40x = 678,849,703.74
  5. Step 5: Solve for x
    x = 678,849,703.74/34,277.40
  6. Step 6: Final answer
    x = 19,804.59

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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.