Home / 53,158.50-79,737.75-21,994.56

Finding the Fourth Proportional to 53,158.50, 79,737.75 and 21,994.56

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Solution

The fourth proportional to 53,158.50, 79,737.75 and 21,994.56 is: 32,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.50 : 79,737.75 = 21,994.56 : x
  2. Step 2: Convert to fraction form
    53,158.50/79,737.75 = 21,994.56/x
  3. Step 3: Cross multiply
    53,158.50x = 79,737.75 × 21,994.56
  4. Step 4: Simplify right side
    53,158.50x = 1,753,796,726.64
  5. Step 5: Solve for x
    x = 1,753,796,726.64/53,158.50
  6. Step 6: Final answer
    x = 32,991.84

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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.