Home / 64,634.64-96,953.16-20,260.40

Finding the Fourth Proportional to 64,634.64, 96,953.16 and 20,260.40

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Solution

The fourth proportional to 64,634.64, 96,953.16 and 20,260.40 is: 30,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.64 : 96,953.16 = 20,260.40 : x
  2. Step 2: Convert to fraction form
    64,634.64/96,953.16 = 20,260.40/x
  3. Step 3: Cross multiply
    64,634.64x = 96,953.16 × 20,260.40
  4. Step 4: Simplify right side
    64,634.64x = 1,964,309,802.86
  5. Step 5: Solve for x
    x = 1,964,309,802.86/64,634.64
  6. Step 6: Final answer
    x = 30,390.98

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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.