Home / 42,636.90-63,918.88-16,360.50

Finding the Fourth Proportional to 42,636.90, 63,918.88 and 16,360.50

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Solution

The fourth proportional to 42,636.90, 63,918.88 and 16,360.50 is: 24,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,636.90 : 63,918.88 = 16,360.50 : x
  2. Step 2: Convert to fraction form
    42,636.90/63,918.88 = 16,360.50/x
  3. Step 3: Cross multiply
    42,636.90x = 63,918.88 × 16,360.50
  4. Step 4: Simplify right side
    42,636.90x = 1,045,744,836.24
  5. Step 5: Solve for x
    x = 1,045,744,836.24/42,636.90
  6. Step 6: Final answer
    x = 24,526.76

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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.