Home / 30,386.12-45,513.56-29,642.54

Finding the Fourth Proportional to 30,386.12, 45,513.56 and 29,642.54

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Solution

The fourth proportional to 30,386.12, 45,513.56 and 29,642.54 is: 44,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.12 : 45,513.56 = 29,642.54 : x
  2. Step 2: Convert to fraction form
    30,386.12/45,513.56 = 29,642.54/x
  3. Step 3: Cross multiply
    30,386.12x = 45,513.56 × 29,642.54
  4. Step 4: Simplify right side
    30,386.12x = 1,349,137,522.84
  5. Step 5: Solve for x
    x = 1,349,137,522.84/30,386.12
  6. Step 6: Final answer
    x = 44,399.80

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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.