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Finding the Fourth Proportional to 52,043.70, 78,089.70 and 16,510.62

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Solution

The fourth proportional to 52,043.70, 78,089.70 and 16,510.62 is: 24,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.70 : 78,089.70 = 16,510.62 : x
  2. Step 2: Convert to fraction form
    52,043.70/78,089.70 = 16,510.62/x
  3. Step 3: Cross multiply
    52,043.70x = 78,089.70 × 16,510.62
  4. Step 4: Simplify right side
    52,043.70x = 1,289,309,362.61
  5. Step 5: Solve for x
    x = 1,289,309,362.61/52,043.70
  6. Step 6: Final answer
    x = 24,773.59

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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.