Home / 32,690.90-49,001.25-12,942.02

Finding the Fourth Proportional to 32,690.90, 49,001.25 and 12,942.02

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Solution

The fourth proportional to 32,690.90, 49,001.25 and 12,942.02 is: 19,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.90 : 49,001.25 = 12,942.02 : x
  2. Step 2: Convert to fraction form
    32,690.90/49,001.25 = 12,942.02/x
  3. Step 3: Cross multiply
    32,690.90x = 49,001.25 × 12,942.02
  4. Step 4: Simplify right side
    32,690.90x = 634,175,157.53
  5. Step 5: Solve for x
    x = 634,175,157.53/32,690.90
  6. Step 6: Final answer
    x = 19,399.13

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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.