Home / 40,417.60-55,777.62-22,267.36

Finding the Fourth Proportional to 40,417.60, 55,777.62 and 22,267.36

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Solution

The fourth proportional to 40,417.60, 55,777.62 and 22,267.36 is: 30,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.60 : 55,777.62 = 22,267.36 : x
  2. Step 2: Convert to fraction form
    40,417.60/55,777.62 = 22,267.36/x
  3. Step 3: Cross multiply
    40,417.60x = 55,777.62 × 22,267.36
  4. Step 4: Simplify right side
    40,417.60x = 1,242,020,344.48
  5. Step 5: Solve for x
    x = 1,242,020,344.48/40,417.60
  6. Step 6: Final answer
    x = 30,729.69

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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.