Home / 45,171.48-67,756.24-15,588.32

Finding the Fourth Proportional to 45,171.48, 67,756.24 and 15,588.32

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Solution

The fourth proportional to 45,171.48, 67,756.24 and 15,588.32 is: 23,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,171.48 : 67,756.24 = 15,588.32 : x
  2. Step 2: Convert to fraction form
    45,171.48/67,756.24 = 15,588.32/x
  3. Step 3: Cross multiply
    45,171.48x = 67,756.24 × 15,588.32
  4. Step 4: Simplify right side
    45,171.48x = 1,056,205,951.12
  5. Step 5: Solve for x
    x = 1,056,205,951.12/45,171.48
  6. Step 6: Final answer
    x = 23,382.14

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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.