Home / 30,476.52-45,678.24-15,692.40

Finding the Fourth Proportional to 30,476.52, 45,678.24 and 15,692.40

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Solution

The fourth proportional to 30,476.52, 45,678.24 and 15,692.40 is: 23,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.52 : 45,678.24 = 15,692.40 : x
  2. Step 2: Convert to fraction form
    30,476.52/45,678.24 = 15,692.40/x
  3. Step 3: Cross multiply
    30,476.52x = 45,678.24 × 15,692.40
  4. Step 4: Simplify right side
    30,476.52x = 716,801,213.38
  5. Step 5: Solve for x
    x = 716,801,213.38/30,476.52
  6. Step 6: Final answer
    x = 23,519.79

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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.