Home / 64,705.12-89,292.68-36,410.24

Finding the Fourth Proportional to 64,705.12, 89,292.68 and 36,410.24

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Solution

The fourth proportional to 64,705.12, 89,292.68 and 36,410.24 is: 50,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,705.12 : 89,292.68 = 36,410.24 : x
  2. Step 2: Convert to fraction form
    64,705.12/89,292.68 = 36,410.24/x
  3. Step 3: Cross multiply
    64,705.12x = 89,292.68 × 36,410.24
  4. Step 4: Simplify right side
    64,705.12x = 3,251,167,909.04
  5. Step 5: Solve for x
    x = 3,251,167,909.04/64,705.12
  6. Step 6: Final answer
    x = 50,245.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.