Home / 40,899.81-61,349.75-12,822.06

Finding the Fourth Proportional to 40,899.81, 61,349.75 and 12,822.06

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Solution

The fourth proportional to 40,899.81, 61,349.75 and 12,822.06 is: 19,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.81 : 61,349.75 = 12,822.06 : x
  2. Step 2: Convert to fraction form
    40,899.81/61,349.75 = 12,822.06/x
  3. Step 3: Cross multiply
    40,899.81x = 61,349.75 × 12,822.06
  4. Step 4: Simplify right side
    40,899.81x = 786,630,175.49
  5. Step 5: Solve for x
    x = 786,630,175.49/40,899.81
  6. Step 6: Final answer
    x = 19,233.10

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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.