Home / 40,822.12-56,337.78-22,918.30

Finding the Fourth Proportional to 40,822.12, 56,337.78 and 22,918.30

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Solution

The fourth proportional to 40,822.12, 56,337.78 and 22,918.30 is: 31,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.12 : 56,337.78 = 22,918.30 : x
  2. Step 2: Convert to fraction form
    40,822.12/56,337.78 = 22,918.30/x
  3. Step 3: Cross multiply
    40,822.12x = 56,337.78 × 22,918.30
  4. Step 4: Simplify right side
    40,822.12x = 1,291,166,143.37
  5. Step 5: Solve for x
    x = 1,291,166,143.37/40,822.12
  6. Step 6: Final answer
    x = 31,629.08

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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.