Home / 30,763.80-46,167.30-13,246.20

Finding the Fourth Proportional to 30,763.80, 46,167.30 and 13,246.20

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Solution

The fourth proportional to 30,763.80, 46,167.30 and 13,246.20 is: 19,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.80 : 46,167.30 = 13,246.20 : x
  2. Step 2: Convert to fraction form
    30,763.80/46,167.30 = 13,246.20/x
  3. Step 3: Cross multiply
    30,763.80x = 46,167.30 × 13,246.20
  4. Step 4: Simplify right side
    30,763.80x = 611,541,289.26
  5. Step 5: Solve for x
    x = 611,541,289.26/30,763.80
  6. Step 6: Final answer
    x = 19,878.60

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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.