Home / 64,520.35-89,054.98-36,235.15

Finding the Fourth Proportional to 64,520.35, 89,054.98 and 36,235.15

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Solution

The fourth proportional to 64,520.35, 89,054.98 and 36,235.15 is: 50,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,520.35 : 89,054.98 = 36,235.15 : x
  2. Step 2: Convert to fraction form
    64,520.35/89,054.98 = 36,235.15/x
  3. Step 3: Cross multiply
    64,520.35x = 89,054.98 × 36,235.15
  4. Step 4: Simplify right side
    64,520.35x = 3,226,920,245.32
  5. Step 5: Solve for x
    x = 3,226,920,245.32/64,520.35
  6. Step 6: Final answer
    x = 50,013.99

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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.