Home / 45,924.36-68,886.48-12,644.64

Finding the Fourth Proportional to 45,924.36, 68,886.48 and 12,644.64

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Solution

The fourth proportional to 45,924.36, 68,886.48 and 12,644.64 is: 18,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,924.36 : 68,886.48 = 12,644.64 : x
  2. Step 2: Convert to fraction form
    45,924.36/68,886.48 = 12,644.64/x
  3. Step 3: Cross multiply
    45,924.36x = 68,886.48 × 12,644.64
  4. Step 4: Simplify right side
    45,924.36x = 871,044,740.47
  5. Step 5: Solve for x
    x = 871,044,740.47/45,924.36
  6. Step 6: Final answer
    x = 18,966.94

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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.