Home / 40,725.99-61,051.12-15,782.31

Finding the Fourth Proportional to 40,725.99, 61,051.12 and 15,782.31

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Solution

The fourth proportional to 40,725.99, 61,051.12 and 15,782.31 is: 23,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.99 : 61,051.12 = 15,782.31 : x
  2. Step 2: Convert to fraction form
    40,725.99/61,051.12 = 15,782.31/x
  3. Step 3: Cross multiply
    40,725.99x = 61,051.12 × 15,782.31
  4. Step 4: Simplify right side
    40,725.99x = 963,527,662.23
  5. Step 5: Solve for x
    x = 963,527,662.23/40,725.99
  6. Step 6: Final answer
    x = 23,658.79

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1.5x scale

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.