Home / 64,630.58-89,188.69-36,336.18

Finding the Fourth Proportional to 64,630.58, 89,188.69 and 36,336.18

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Solution

The fourth proportional to 64,630.58, 89,188.69 and 36,336.18 is: 50,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.58 : 89,188.69 = 36,336.18 : x
  2. Step 2: Convert to fraction form
    64,630.58/89,188.69 = 36,336.18/x
  3. Step 3: Cross multiply
    64,630.58x = 89,188.69 × 36,336.18
  4. Step 4: Simplify right side
    64,630.58x = 3,240,776,293.80
  5. Step 5: Solve for x
    x = 3,240,776,293.80/64,630.58
  6. Step 6: Final answer
    x = 50,143.08

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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.