Home / 68,346.32-94,318.06-38,130.88

Finding the Fourth Proportional to 68,346.32, 94,318.06 and 38,130.88

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Solution

The fourth proportional to 68,346.32, 94,318.06 and 38,130.88 is: 52,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346.32 : 94,318.06 = 38,130.88 : x
  2. Step 2: Convert to fraction form
    68,346.32/94,318.06 = 38,130.88/x
  3. Step 3: Cross multiply
    68,346.32x = 94,318.06 × 38,130.88
  4. Step 4: Simplify right side
    68,346.32x = 3,596,430,627.69
  5. Step 5: Solve for x
    x = 3,596,430,627.69/68,346.32
  6. Step 6: Final answer
    x = 52,620.69

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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.