Home / 40,420.80-55,782.09-23,425.08

Finding the Fourth Proportional to 40,420.80, 55,782.09 and 23,425.08

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Solution

The fourth proportional to 40,420.80, 55,782.09 and 23,425.08 is: 32,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.80 : 55,782.09 = 23,425.08 : x
  2. Step 2: Convert to fraction form
    40,420.80/55,782.09 = 23,425.08/x
  3. Step 3: Cross multiply
    40,420.80x = 55,782.09 × 23,425.08
  4. Step 4: Simplify right side
    40,420.80x = 1,306,699,920.82
  5. Step 5: Solve for x
    x = 1,306,699,920.82/40,420.80
  6. Step 6: Final answer
    x = 32,327.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.