Home / 29,438.45-40,624.14-16,692.78

Finding the Fourth Proportional to 29,438.45, 40,624.14 and 16,692.78

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Solution

The fourth proportional to 29,438.45, 40,624.14 and 16,692.78 is: 23,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,438.45 : 40,624.14 = 16,692.78 : x
  2. Step 2: Convert to fraction form
    29,438.45/40,624.14 = 16,692.78/x
  3. Step 3: Cross multiply
    29,438.45x = 40,624.14 × 16,692.78
  4. Step 4: Simplify right side
    29,438.45x = 678,129,831.71
  5. Step 5: Solve for x
    x = 678,129,831.71/29,438.45
  6. Step 6: Final answer
    x = 23,035.52

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1.5x scale

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.