Home / 45,531.53-68,297.05-12,248.89

Finding the Fourth Proportional to 45,531.53, 68,297.05 and 12,248.89

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Solution

The fourth proportional to 45,531.53, 68,297.05 and 12,248.89 is: 18,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,531.53 : 68,297.05 = 12,248.89 : x
  2. Step 2: Convert to fraction form
    45,531.53/68,297.05 = 12,248.89/x
  3. Step 3: Cross multiply
    45,531.53x = 68,297.05 × 12,248.89
  4. Step 4: Simplify right side
    45,531.53x = 836,563,052.77
  5. Step 5: Solve for x
    x = 836,563,052.77/45,531.53
  6. Step 6: Final answer
    x = 18,373.27

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1.5x scale

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.