Home / 45,435.67-68,130.60-26,466.42

Finding the Fourth Proportional to 45,435.67, 68,130.60 and 26,466.42

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Solution

The fourth proportional to 45,435.67, 68,130.60 and 26,466.42 is: 39,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.67 : 68,130.60 = 26,466.42 : x
  2. Step 2: Convert to fraction form
    45,435.67/68,130.60 = 26,466.42/x
  3. Step 3: Cross multiply
    45,435.67x = 68,130.60 × 26,466.42
  4. Step 4: Simplify right side
    45,435.67x = 1,803,173,074.45
  5. Step 5: Solve for x
    x = 1,803,173,074.45/45,435.67
  6. Step 6: Final answer
    x = 39,686.29

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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.