Home / 42,842.16-64,151.46-34,476.48

Finding the Fourth Proportional to 42,842.16, 64,151.46 and 34,476.48

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Solution

The fourth proportional to 42,842.16, 64,151.46 and 34,476.48 is: 51,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,842.16 : 64,151.46 = 34,476.48 : x
  2. Step 2: Convert to fraction form
    42,842.16/64,151.46 = 34,476.48/x
  3. Step 3: Cross multiply
    42,842.16x = 64,151.46 × 34,476.48
  4. Step 4: Simplify right side
    42,842.16x = 2,211,716,527.66
  5. Step 5: Solve for x
    x = 2,211,716,527.66/42,842.16
  6. Step 6: Final answer
    x = 51,624.77

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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.