Home / 65,727.90-98,606.28-21,359.34

Finding the Fourth Proportional to 65,727.90, 98,606.28 and 21,359.34

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Solution

The fourth proportional to 65,727.90, 98,606.28 and 21,359.34 is: 32,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.90 : 98,606.28 = 21,359.34 : x
  2. Step 2: Convert to fraction form
    65,727.90/98,606.28 = 21,359.34/x
  3. Step 3: Cross multiply
    65,727.90x = 98,606.28 × 21,359.34
  4. Step 4: Simplify right side
    65,727.90x = 2,106,165,060.66
  5. Step 5: Solve for x
    x = 2,106,165,060.66/65,727.90
  6. Step 6: Final answer
    x = 32,043.70

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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.