Home / 39,739.78-59,575.11-15,133.06

Finding the Fourth Proportional to 39,739.78, 59,575.11 and 15,133.06

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Solution

The fourth proportional to 39,739.78, 59,575.11 and 15,133.06 is: 22,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.78 : 59,575.11 = 15,133.06 : x
  2. Step 2: Convert to fraction form
    39,739.78/59,575.11 = 15,133.06/x
  3. Step 3: Cross multiply
    39,739.78x = 59,575.11 × 15,133.06
  4. Step 4: Simplify right side
    39,739.78x = 901,553,714.14
  5. Step 5: Solve for x
    x = 901,553,714.14/39,739.78
  6. Step 6: Final answer
    x = 22,686.43

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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.