Home / 53,775.10-80,589.98-20,477.00

Finding the Fourth Proportional to 53,775.10, 80,589.98 and 20,477.00

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Solution

The fourth proportional to 53,775.10, 80,589.98 and 20,477.00 is: 30,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,775.10 : 80,589.98 = 20,477.00 : x
  2. Step 2: Convert to fraction form
    53,775.10/80,589.98 = 20,477.00/x
  3. Step 3: Cross multiply
    53,775.10x = 80,589.98 × 20,477.00
  4. Step 4: Simplify right side
    53,775.10x = 1,650,240,515.13
  5. Step 5: Solve for x
    x = 1,650,240,515.13/53,775.10
  6. Step 6: Final answer
    x = 30,687.82

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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.