Home / 42,579.10-63,866.48-16,281.82

Finding the Fourth Proportional to 42,579.10, 63,866.48 and 16,281.82

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Solution

The fourth proportional to 42,579.10, 63,866.48 and 16,281.82 is: 24,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.10 : 63,866.48 = 16,281.82 : x
  2. Step 2: Convert to fraction form
    42,579.10/63,866.48 = 16,281.82/x
  3. Step 3: Cross multiply
    42,579.10x = 63,866.48 × 16,281.82
  4. Step 4: Simplify right side
    42,579.10x = 1,039,862,531.39
  5. Step 5: Solve for x
    x = 1,039,862,531.39/42,579.10
  6. Step 6: Final answer
    x = 24,421.90

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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.