Home / 64,607.28-96,911.09-20,237.91

Finding the Fourth Proportional to 64,607.28, 96,911.09 and 20,237.91

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Solution

The fourth proportional to 64,607.28, 96,911.09 and 20,237.91 is: 30,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,607.28 : 96,911.09 = 20,237.91 : x
  2. Step 2: Convert to fraction form
    64,607.28/96,911.09 = 20,237.91/x
  3. Step 3: Cross multiply
    64,607.28x = 96,911.09 × 20,237.91
  4. Step 4: Simplify right side
    64,607.28x = 1,961,277,816.23
  5. Step 5: Solve for x
    x = 1,961,277,816.23/64,607.28
  6. Step 6: Final answer
    x = 30,356.92

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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.