Home / 46,909.58-70,364.73-13,631.90

Finding the Fourth Proportional to 46,909.58, 70,364.73 and 13,631.90

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Solution

The fourth proportional to 46,909.58, 70,364.73 and 13,631.90 is: 20,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,909.58 : 70,364.73 = 13,631.90 : x
  2. Step 2: Convert to fraction form
    46,909.58/70,364.73 = 13,631.90/x
  3. Step 3: Cross multiply
    46,909.58x = 70,364.73 × 13,631.90
  4. Step 4: Simplify right side
    46,909.58x = 959,204,962.89
  5. Step 5: Solve for x
    x = 959,204,962.89/46,909.58
  6. Step 6: Final answer
    x = 20,447.95

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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.