Home / 42,428.46-63,650.90-16,131.16

Finding the Fourth Proportional to 42,428.46, 63,650.90 and 16,131.16

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Solution

The fourth proportional to 42,428.46, 63,650.90 and 16,131.16 is: 24,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,428.46 : 63,650.90 = 16,131.16 : x
  2. Step 2: Convert to fraction form
    42,428.46/63,650.90 = 16,131.16/x
  3. Step 3: Cross multiply
    42,428.46x = 63,650.90 × 16,131.16
  4. Step 4: Simplify right side
    42,428.46x = 1,026,762,852.04
  5. Step 5: Solve for x
    x = 1,026,762,852.04/42,428.46
  6. Step 6: Final answer
    x = 24,199.86

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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.