Home / 30,240.72-45,361.08-16,477.20

Finding the Fourth Proportional to 30,240.72, 45,361.08 and 16,477.20

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Solution

The fourth proportional to 30,240.72, 45,361.08 and 16,477.20 is: 24,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.72 : 45,361.08 = 16,477.20 : x
  2. Step 2: Convert to fraction form
    30,240.72/45,361.08 = 16,477.20/x
  3. Step 3: Cross multiply
    30,240.72x = 45,361.08 × 16,477.20
  4. Step 4: Simplify right side
    30,240.72x = 747,423,587.38
  5. Step 5: Solve for x
    x = 747,423,587.38/30,240.72
  6. Step 6: Final answer
    x = 24,715.80

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Similar ratio
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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.