Home / 30,352.04-45,511.56-13,692.56

Finding the Fourth Proportional to 30,352.04, 45,511.56 and 13,692.56

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Solution

The fourth proportional to 30,352.04, 45,511.56 and 13,692.56 is: 20,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.04 : 45,511.56 = 13,692.56 : x
  2. Step 2: Convert to fraction form
    30,352.04/45,511.56 = 13,692.56/x
  3. Step 3: Cross multiply
    30,352.04x = 45,511.56 × 13,692.56
  4. Step 4: Simplify right side
    30,352.04x = 623,169,765.99
  5. Step 5: Solve for x
    x = 623,169,765.99/30,352.04
  6. Step 6: Final answer
    x = 20,531.40

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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.