Home / 34,384.80-51,577.20-13,608.30

Finding the Fourth Proportional to 34,384.80, 51,577.20 and 13,608.30

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Solution

The fourth proportional to 34,384.80, 51,577.20 and 13,608.30 is: 20,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,384.80 : 51,577.20 = 13,608.30 : x
  2. Step 2: Convert to fraction form
    34,384.80/51,577.20 = 13,608.30/x
  3. Step 3: Cross multiply
    34,384.80x = 51,577.20 × 13,608.30
  4. Step 4: Simplify right side
    34,384.80x = 701,878,010.76
  5. Step 5: Solve for x
    x = 701,878,010.76/34,384.80
  6. Step 6: Final answer
    x = 20,412.45

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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.