Home / 42,274.04-63,420.77-12,692.43

Finding the Fourth Proportional to 42,274.04, 63,420.77 and 12,692.43

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Solution

The fourth proportional to 42,274.04, 63,420.77 and 12,692.43 is: 19,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,274.04 : 63,420.77 = 12,692.43 : x
  2. Step 2: Convert to fraction form
    42,274.04/63,420.77 = 12,692.43/x
  3. Step 3: Cross multiply
    42,274.04x = 63,420.77 × 12,692.43
  4. Step 4: Simplify right side
    42,274.04x = 804,963,715.50
  5. Step 5: Solve for x
    x = 804,963,715.50/42,274.04
  6. Step 6: Final answer
    x = 19,041.56

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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.