Home / 30,468.28-45,692.64-9,686.92

Finding the Fourth Proportional to 30,468.28, 45,692.64 and 9,686.92

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Solution

The fourth proportional to 30,468.28, 45,692.64 and 9,686.92 is: 14,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468.28 : 45,692.64 = 9,686.92 : x
  2. Step 2: Convert to fraction form
    30,468.28/45,692.64 = 9,686.92/x
  3. Step 3: Cross multiply
    30,468.28x = 45,692.64 × 9,686.92
  4. Step 4: Simplify right side
    30,468.28x = 442,620,948.27
  5. Step 5: Solve for x
    x = 442,620,948.27/30,468.28
  6. Step 6: Final answer
    x = 14,527.27

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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.