Home / 89,928.64-134,858-33,738.16

Finding the Fourth Proportional to 89,928.64, 134,858 and 33,738.16

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Solution

The fourth proportional to 89,928.64, 134,858 and 33,738.16 is: 50,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.64 : 134,858 = 33,738.16 : x
  2. Step 2: Convert to fraction form
    89,928.64/134,858 = 33,738.16/x
  3. Step 3: Cross multiply
    89,928.64x = 134,858 × 33,738.16
  4. Step 4: Simplify right side
    89,928.64x = 4,549,860,781.28
  5. Step 5: Solve for x
    x = 4,549,860,781.28/89,928.64
  6. Step 6: Final answer
    x = 50,594.12

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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.