Home / 53,759.16-80,639.85-19,563.77

Finding the Fourth Proportional to 53,759.16, 80,639.85 and 19,563.77

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Solution

The fourth proportional to 53,759.16, 80,639.85 and 19,563.77 is: 29,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.16 : 80,639.85 = 19,563.77 : x
  2. Step 2: Convert to fraction form
    53,759.16/80,639.85 = 19,563.77/x
  3. Step 3: Cross multiply
    53,759.16x = 80,639.85 × 19,563.77
  4. Step 4: Simplify right side
    53,759.16x = 1,577,619,075.04
  5. Step 5: Solve for x
    x = 1,577,619,075.04/53,759.16
  6. Step 6: Final answer
    x = 29,346.05

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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.