Home / 51,346.04-77,021.80-16,288.40

Finding the Fourth Proportional to 51,346.04, 77,021.80 and 16,288.40

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Solution

The fourth proportional to 51,346.04, 77,021.80 and 16,288.40 is: 24,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.04 : 77,021.80 = 16,288.40 : x
  2. Step 2: Convert to fraction form
    51,346.04/77,021.80 = 16,288.40/x
  3. Step 3: Cross multiply
    51,346.04x = 77,021.80 × 16,288.40
  4. Step 4: Simplify right side
    51,346.04x = 1,254,561,887.12
  5. Step 5: Solve for x
    x = 1,254,561,887.12/51,346.04
  6. Step 6: Final answer
    x = 24,433.47

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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.