Home / 40,365.80-60,558.30-16,980.20

Finding the Fourth Proportional to 40,365.80, 60,558.30 and 16,980.20

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Solution

The fourth proportional to 40,365.80, 60,558.30 and 16,980.20 is: 25,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,365.80 : 60,558.30 = 16,980.20 : x
  2. Step 2: Convert to fraction form
    40,365.80/60,558.30 = 16,980.20/x
  3. Step 3: Cross multiply
    40,365.80x = 60,558.30 × 16,980.20
  4. Step 4: Simplify right side
    40,365.80x = 1,028,292,045.66
  5. Step 5: Solve for x
    x = 1,028,292,045.66/40,365.80
  6. Step 6: Final answer
    x = 25,474.34

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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.