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Finding the Fourth Proportional to 65,094.76, 97,660.86 and 20,728.36

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Solution

The fourth proportional to 65,094.76, 97,660.86 and 20,728.36 is: 31,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,094.76 : 97,660.86 = 20,728.36 : x
  2. Step 2: Convert to fraction form
    65,094.76/97,660.86 = 20,728.36/x
  3. Step 3: Cross multiply
    65,094.76x = 97,660.86 × 20,728.36
  4. Step 4: Simplify right side
    65,094.76x = 2,024,349,463.99
  5. Step 5: Solve for x
    x = 2,024,349,463.99/65,094.76
  6. Step 6: Final answer
    x = 31,098.50

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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.