Home / 40,272.12-55,576.28-22,368.80

Finding the Fourth Proportional to 40,272.12, 55,576.28 and 22,368.80

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Solution

The fourth proportional to 40,272.12, 55,576.28 and 22,368.80 is: 30,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.12 : 55,576.28 = 22,368.80 : x
  2. Step 2: Convert to fraction form
    40,272.12/55,576.28 = 22,368.80/x
  3. Step 3: Cross multiply
    40,272.12x = 55,576.28 × 22,368.80
  4. Step 4: Simplify right side
    40,272.12x = 1,243,174,692.06
  5. Step 5: Solve for x
    x = 1,243,174,692.06/40,272.12
  6. Step 6: Final answer
    x = 30,869.36

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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.