Home / 52,539.40-78,794.70-21,377.80

Finding the Fourth Proportional to 52,539.40, 78,794.70 and 21,377.80

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Solution

The fourth proportional to 52,539.40, 78,794.70 and 21,377.80 is: 32,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,539.40 : 78,794.70 = 21,377.80 : x
  2. Step 2: Convert to fraction form
    52,539.40/78,794.70 = 21,377.80/x
  3. Step 3: Cross multiply
    52,539.40x = 78,794.70 × 21,377.80
  4. Step 4: Simplify right side
    52,539.40x = 1,684,457,337.66
  5. Step 5: Solve for x
    x = 1,684,457,337.66/52,539.40
  6. Step 6: Final answer
    x = 32,060.84

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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.