Home / 30,769.80-46,176.30-13,252.20

Finding the Fourth Proportional to 30,769.80, 46,176.30 and 13,252.20

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Solution

The fourth proportional to 30,769.80, 46,176.30 and 13,252.20 is: 19,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.80 : 46,176.30 = 13,252.20 : x
  2. Step 2: Convert to fraction form
    30,769.80/46,176.30 = 13,252.20/x
  3. Step 3: Cross multiply
    30,769.80x = 46,176.30 × 13,252.20
  4. Step 4: Simplify right side
    30,769.80x = 611,937,562.86
  5. Step 5: Solve for x
    x = 611,937,562.86/30,769.80
  6. Step 6: Final answer
    x = 19,887.60

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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.