Home / 47,962.77-71,938.68-12,905.16

Finding the Fourth Proportional to 47,962.77, 71,938.68 and 12,905.16

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Solution

The fourth proportional to 47,962.77, 71,938.68 and 12,905.16 is: 19,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,962.77 : 71,938.68 = 12,905.16 : x
  2. Step 2: Convert to fraction form
    47,962.77/71,938.68 = 12,905.16/x
  3. Step 3: Cross multiply
    47,962.77x = 71,938.68 × 12,905.16
  4. Step 4: Simplify right side
    47,962.77x = 928,380,175.59
  5. Step 5: Solve for x
    x = 928,380,175.59/47,962.77
  6. Step 6: Final answer
    x = 19,356.27

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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.