Home / 52,976.18-79,471.65-28,018

Finding the Fourth Proportional to 52,976.18, 79,471.65 and 28,018

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Solution

The fourth proportional to 52,976.18, 79,471.65 and 28,018 is: 42,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,976.18 : 79,471.65 = 28,018 : x
  2. Step 2: Convert to fraction form
    52,976.18/79,471.65 = 28,018/x
  3. Step 3: Cross multiply
    52,976.18x = 79,471.65 × 28,018
  4. Step 4: Simplify right side
    52,976.18x = 2,226,636,689.70
  5. Step 5: Solve for x
    x = 2,226,636,689.70/52,976.18
  6. Step 6: Final answer
    x = 42,030.90

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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.