Home / 40,784.16-61,154.22-12,692.04

Finding the Fourth Proportional to 40,784.16, 61,154.22 and 12,692.04

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Solution

The fourth proportional to 40,784.16, 61,154.22 and 12,692.04 is: 19,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784.16 : 61,154.22 = 12,692.04 : x
  2. Step 2: Convert to fraction form
    40,784.16/61,154.22 = 12,692.04/x
  3. Step 3: Cross multiply
    40,784.16x = 61,154.22 × 12,692.04
  4. Step 4: Simplify right side
    40,784.16x = 776,171,806.41
  5. Step 5: Solve for x
    x = 776,171,806.41/40,784.16
  6. Step 6: Final answer
    x = 19,031.21

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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.