Home / 45,399.40-68,077.46-15,813.60

Finding the Fourth Proportional to 45,399.40, 68,077.46 and 15,813.60

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Solution

The fourth proportional to 45,399.40, 68,077.46 and 15,813.60 is: 23,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.40 : 68,077.46 = 15,813.60 : x
  2. Step 2: Convert to fraction form
    45,399.40/68,077.46 = 15,813.60/x
  3. Step 3: Cross multiply
    45,399.40x = 68,077.46 × 15,813.60
  4. Step 4: Simplify right side
    45,399.40x = 1,076,549,721.46
  5. Step 5: Solve for x
    x = 1,076,549,721.46/45,399.40
  6. Step 6: Final answer
    x = 23,712.86

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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.