Home / 45,740.64-68,645.52-19,463.76

Finding the Fourth Proportional to 45,740.64, 68,645.52 and 19,463.76

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Solution

The fourth proportional to 45,740.64, 68,645.52 and 19,463.76 is: 29,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.64 : 68,645.52 = 19,463.76 : x
  2. Step 2: Convert to fraction form
    45,740.64/68,645.52 = 19,463.76/x
  3. Step 3: Cross multiply
    45,740.64x = 68,645.52 × 19,463.76
  4. Step 4: Simplify right side
    45,740.64x = 1,336,099,926.36
  5. Step 5: Solve for x
    x = 1,336,099,926.36/45,740.64
  6. Step 6: Final answer
    x = 29,210.35

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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.