Home / 37,420.80-56,142.36-11,126.40

Finding the Fourth Proportional to 37,420.80, 56,142.36 and 11,126.40

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Solution

The fourth proportional to 37,420.80, 56,142.36 and 11,126.40 is: 16,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.80 : 56,142.36 = 11,126.40 : x
  2. Step 2: Convert to fraction form
    37,420.80/56,142.36 = 11,126.40/x
  3. Step 3: Cross multiply
    37,420.80x = 56,142.36 × 11,126.40
  4. Step 4: Simplify right side
    37,420.80x = 624,662,354.30
  5. Step 5: Solve for x
    x = 624,662,354.30/37,420.80
  6. Step 6: Final answer
    x = 16,692.92

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1.5x scale

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.