Home / 48,920.64-73,390.44-20,840.16

Finding the Fourth Proportional to 48,920.64, 73,390.44 and 20,840.16

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Solution

The fourth proportional to 48,920.64, 73,390.44 and 20,840.16 is: 31,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,920.64 : 73,390.44 = 20,840.16 : x
  2. Step 2: Convert to fraction form
    48,920.64/73,390.44 = 20,840.16/x
  3. Step 3: Cross multiply
    48,920.64x = 73,390.44 × 20,840.16
  4. Step 4: Simplify right side
    48,920.64x = 1,529,468,512.07
  5. Step 5: Solve for x
    x = 1,529,468,512.07/48,920.64
  6. Step 6: Final answer
    x = 31,264.28

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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.