Home / 45,740.64-68,643.76-19,463.84

Finding the Fourth Proportional to 45,740.64, 68,643.76 and 19,463.84

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Solution

The fourth proportional to 45,740.64, 68,643.76 and 19,463.84 is: 29,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.64 : 68,643.76 = 19,463.84 : x
  2. Step 2: Convert to fraction form
    45,740.64/68,643.76 = 19,463.84/x
  3. Step 3: Cross multiply
    45,740.64x = 68,643.76 × 19,463.84
  4. Step 4: Simplify right side
    45,740.64x = 1,336,071,161.64
  5. Step 5: Solve for x
    x = 1,336,071,161.64/45,740.64
  6. Step 6: Final answer
    x = 29,209.72

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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.