Home / 42,317.40-63,438.84-16,040.64

Finding the Fourth Proportional to 42,317.40, 63,438.84 and 16,040.64

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Solution

The fourth proportional to 42,317.40, 63,438.84 and 16,040.64 is: 24,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,317.40 : 63,438.84 = 16,040.64 : x
  2. Step 2: Convert to fraction form
    42,317.40/63,438.84 = 16,040.64/x
  3. Step 3: Cross multiply
    42,317.40x = 63,438.84 × 16,040.64
  4. Step 4: Simplify right side
    42,317.40x = 1,017,599,594.46
  5. Step 5: Solve for x
    x = 1,017,599,594.46/42,317.40
  6. Step 6: Final answer
    x = 24,046.84

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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.