Home / 45,966.74-68,977.65-19,671.51

Finding the Fourth Proportional to 45,966.74, 68,977.65 and 19,671.51

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Solution

The fourth proportional to 45,966.74, 68,977.65 and 19,671.51 is: 29,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,966.74 : 68,977.65 = 19,671.51 : x
  2. Step 2: Convert to fraction form
    45,966.74/68,977.65 = 19,671.51/x
  3. Step 3: Cross multiply
    45,966.74x = 68,977.65 × 19,671.51
  4. Step 4: Simplify right side
    45,966.74x = 1,356,894,531.75
  5. Step 5: Solve for x
    x = 1,356,894,531.75/45,966.74
  6. Step 6: Final answer
    x = 29,519.05

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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.