Home / 51,641.19-77,461.78-16,605.45

Finding the Fourth Proportional to 51,641.19, 77,461.78 and 16,605.45

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Solution

The fourth proportional to 51,641.19, 77,461.78 and 16,605.45 is: 24,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.19 : 77,461.78 = 16,605.45 : x
  2. Step 2: Convert to fraction form
    51,641.19/77,461.78 = 16,605.45/x
  3. Step 3: Cross multiply
    51,641.19x = 77,461.78 × 16,605.45
  4. Step 4: Simplify right side
    51,641.19x = 1,286,287,714.70
  5. Step 5: Solve for x
    x = 1,286,287,714.70/51,641.19
  6. Step 6: Final answer
    x = 24,908.17

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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.