Home / 30,692.61-42,356.03-17,263.76

Finding the Fourth Proportional to 30,692.61, 42,356.03 and 17,263.76

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Solution

The fourth proportional to 30,692.61, 42,356.03 and 17,263.76 is: 23,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692.61 : 42,356.03 = 17,263.76 : x
  2. Step 2: Convert to fraction form
    30,692.61/42,356.03 = 17,263.76/x
  3. Step 3: Cross multiply
    30,692.61x = 42,356.03 × 17,263.76
  4. Step 4: Simplify right side
    30,692.61x = 731,224,038.37
  5. Step 5: Solve for x
    x = 731,224,038.37/30,692.61
  6. Step 6: Final answer
    x = 23,824.11

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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.