Home / 45,171.04-67,762.78-15,187.60

Finding the Fourth Proportional to 45,171.04, 67,762.78 and 15,187.60

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Solution

The fourth proportional to 45,171.04, 67,762.78 and 15,187.60 is: 22,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,171.04 : 67,762.78 = 15,187.60 : x
  2. Step 2: Convert to fraction form
    45,171.04/67,762.78 = 15,187.60/x
  3. Step 3: Cross multiply
    45,171.04x = 67,762.78 × 15,187.60
  4. Step 4: Simplify right side
    45,171.04x = 1,029,153,997.53
  5. Step 5: Solve for x
    x = 1,029,153,997.53/45,171.04
  6. Step 6: Final answer
    x = 22,783.49

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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.