Home / 64,200.12-96,264.90-19,814.64

Finding the Fourth Proportional to 64,200.12, 96,264.90 and 19,814.64

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Solution

The fourth proportional to 64,200.12, 96,264.90 and 19,814.64 is: 29,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,200.12 : 96,264.90 = 19,814.64 : x
  2. Step 2: Convert to fraction form
    64,200.12/96,264.90 = 19,814.64/x
  3. Step 3: Cross multiply
    64,200.12x = 96,264.90 × 19,814.64
  4. Step 4: Simplify right side
    64,200.12x = 1,907,454,338.14
  5. Step 5: Solve for x
    x = 1,907,454,338.14/64,200.12
  6. Step 6: Final answer
    x = 29,711.07

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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.