Home / 64,982.20-97,473.30-29,990.20

Finding the Fourth Proportional to 64,982.20, 97,473.30 and 29,990.20

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Solution

The fourth proportional to 64,982.20, 97,473.30 and 29,990.20 is: 44,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,982.20 : 97,473.30 = 29,990.20 : x
  2. Step 2: Convert to fraction form
    64,982.20/97,473.30 = 29,990.20/x
  3. Step 3: Cross multiply
    64,982.20x = 97,473.30 × 29,990.20
  4. Step 4: Simplify right side
    64,982.20x = 2,923,243,761.66
  5. Step 5: Solve for x
    x = 2,923,243,761.66/64,982.20
  6. Step 6: Final answer
    x = 44,985.30

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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.