Home / 31,977.04-47,962.32-9,790.60

Finding the Fourth Proportional to 31,977.04, 47,962.32 and 9,790.60

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Solution

The fourth proportional to 31,977.04, 47,962.32 and 9,790.60 is: 14,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.04 : 47,962.32 = 9,790.60 : x
  2. Step 2: Convert to fraction form
    31,977.04/47,962.32 = 9,790.60/x
  3. Step 3: Cross multiply
    31,977.04x = 47,962.32 × 9,790.60
  4. Step 4: Simplify right side
    31,977.04x = 469,579,890.19
  5. Step 5: Solve for x
    x = 469,579,890.19/31,977.04
  6. Step 6: Final answer
    x = 14,684.91

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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.