Home / 31,968.58-47,950.87-9,780.20

Finding the Fourth Proportional to 31,968.58, 47,950.87 and 9,780.20

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Solution

The fourth proportional to 31,968.58, 47,950.87 and 9,780.20 is: 14,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.58 : 47,950.87 = 9,780.20 : x
  2. Step 2: Convert to fraction form
    31,968.58/47,950.87 = 9,780.20/x
  3. Step 3: Cross multiply
    31,968.58x = 47,950.87 × 9,780.20
  4. Step 4: Simplify right side
    31,968.58x = 468,969,098.77
  5. Step 5: Solve for x
    x = 468,969,098.77/31,968.58
  6. Step 6: Final answer
    x = 14,669.69

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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.