Home / 51,535.80-71,153.52-39,577.68

Finding the Fourth Proportional to 51,535.80, 71,153.52 and 39,577.68

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Solution

The fourth proportional to 51,535.80, 71,153.52 and 39,577.68 is: 54,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,535.80 : 71,153.52 = 39,577.68 : x
  2. Step 2: Convert to fraction form
    51,535.80/71,153.52 = 39,577.68/x
  3. Step 3: Cross multiply
    51,535.80x = 71,153.52 × 39,577.68
  4. Step 4: Simplify right side
    51,535.80x = 2,816,091,245.43
  5. Step 5: Solve for x
    x = 2,816,091,245.43/51,535.80
  6. Step 6: Final answer
    x = 54,643.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.