Home / 64,470.37-96,705.59-20,100.70

Finding the Fourth Proportional to 64,470.37, 96,705.59 and 20,100.70

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Solution

The fourth proportional to 64,470.37, 96,705.59 and 20,100.70 is: 30,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,470.37 : 96,705.59 = 20,100.70 : x
  2. Step 2: Convert to fraction form
    64,470.37/96,705.59 = 20,100.70/x
  3. Step 3: Cross multiply
    64,470.37x = 96,705.59 × 20,100.70
  4. Step 4: Simplify right side
    64,470.37x = 1,943,850,052.91
  5. Step 5: Solve for x
    x = 1,943,850,052.91/64,470.37
  6. Step 6: Final answer
    x = 30,151.06

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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.