Home / 43,145.64-64,632.30-34,275.99

Finding the Fourth Proportional to 43,145.64, 64,632.30 and 34,275.99

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Solution

The fourth proportional to 43,145.64, 64,632.30 and 34,275.99 is: 51,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,145.64 : 64,632.30 = 34,275.99 : x
  2. Step 2: Convert to fraction form
    43,145.64/64,632.30 = 34,275.99/x
  3. Step 3: Cross multiply
    43,145.64x = 64,632.30 × 34,275.99
  4. Step 4: Simplify right side
    43,145.64x = 2,215,335,926.18
  5. Step 5: Solve for x
    x = 2,215,335,926.18/43,145.64
  6. Step 6: Final answer
    x = 51,345.54

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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.