Home / 47,346.12-65,386.24-39,308.88

Finding the Fourth Proportional to 47,346.12, 65,386.24 and 39,308.88

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Solution

The fourth proportional to 47,346.12, 65,386.24 and 39,308.88 is: 54,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,346.12 : 65,386.24 = 39,308.88 : x
  2. Step 2: Convert to fraction form
    47,346.12/65,386.24 = 39,308.88/x
  3. Step 3: Cross multiply
    47,346.12x = 65,386.24 × 39,308.88
  4. Step 4: Simplify right side
    47,346.12x = 2,570,259,861.81
  5. Step 5: Solve for x
    x = 2,570,259,861.81/47,346.12
  6. Step 6: Final answer
    x = 54,286.60

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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.