Home / 43,470.52-65,208.56-12,308.20

Finding the Fourth Proportional to 43,470.52, 65,208.56 and 12,308.20

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Solution

The fourth proportional to 43,470.52, 65,208.56 and 12,308.20 is: 18,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470.52 : 65,208.56 = 12,308.20 : x
  2. Step 2: Convert to fraction form
    43,470.52/65,208.56 = 12,308.20/x
  3. Step 3: Cross multiply
    43,470.52x = 65,208.56 × 12,308.20
  4. Step 4: Simplify right side
    43,470.52x = 802,599,998.19
  5. Step 5: Solve for x
    x = 802,599,998.19/43,470.52
  6. Step 6: Final answer
    x = 18,463.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.