Home / 42,724.15-64,086.02-23,739.84

Finding the Fourth Proportional to 42,724.15, 64,086.02 and 23,739.84

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Solution

The fourth proportional to 42,724.15, 64,086.02 and 23,739.84 is: 35,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.15 : 64,086.02 = 23,739.84 : x
  2. Step 2: Convert to fraction form
    42,724.15/64,086.02 = 23,739.84/x
  3. Step 3: Cross multiply
    42,724.15x = 64,086.02 × 23,739.84
  4. Step 4: Simplify right side
    42,724.15x = 1,521,391,582.12
  5. Step 5: Solve for x
    x = 1,521,391,582.12/42,724.15
  6. Step 6: Final answer
    x = 35,609.64

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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.