Home / 34,485.48-51,686.40-15,739.82

Finding the Fourth Proportional to 34,485.48, 51,686.40 and 15,739.82

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Solution

The fourth proportional to 34,485.48, 51,686.40 and 15,739.82 is: 23,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.48 : 51,686.40 = 15,739.82 : x
  2. Step 2: Convert to fraction form
    34,485.48/51,686.40 = 15,739.82/x
  3. Step 3: Cross multiply
    34,485.48x = 51,686.40 × 15,739.82
  4. Step 4: Simplify right side
    34,485.48x = 813,534,632.45
  5. Step 5: Solve for x
    x = 813,534,632.45/34,485.48
  6. Step 6: Final answer
    x = 23,590.64

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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.