Home / 45,565.79-68,348.15-15,579.74

Finding the Fourth Proportional to 45,565.79, 68,348.15 and 15,579.74

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Solution

The fourth proportional to 45,565.79, 68,348.15 and 15,579.74 is: 23,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565.79 : 68,348.15 = 15,579.74 : x
  2. Step 2: Convert to fraction form
    45,565.79/68,348.15 = 15,579.74/x
  3. Step 3: Cross multiply
    45,565.79x = 68,348.15 × 15,579.74
  4. Step 4: Simplify right side
    45,565.79x = 1,064,846,645.51
  5. Step 5: Solve for x
    x = 1,064,846,645.51/45,565.79
  6. Step 6: Final answer
    x = 23,369.43

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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.