Home / 30,165.67-45,263.58-13,537.59

Finding the Fourth Proportional to 30,165.67, 45,263.58 and 13,537.59

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Solution

The fourth proportional to 30,165.67, 45,263.58 and 13,537.59 is: 20,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.67 : 45,263.58 = 13,537.59 : x
  2. Step 2: Convert to fraction form
    30,165.67/45,263.58 = 13,537.59/x
  3. Step 3: Cross multiply
    30,165.67x = 45,263.58 × 13,537.59
  4. Step 4: Simplify right side
    30,165.67x = 612,759,787.97
  5. Step 5: Solve for x
    x = 612,759,787.97/30,165.67
  6. Step 6: Final answer
    x = 20,313.15

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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.