Home / 30,353.04-45,513.06-13,693.56

Finding the Fourth Proportional to 30,353.04, 45,513.06 and 13,693.56

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Solution

The fourth proportional to 30,353.04, 45,513.06 and 13,693.56 is: 20,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.04 : 45,513.06 = 13,693.56 : x
  2. Step 2: Convert to fraction form
    30,353.04/45,513.06 = 13,693.56/x
  3. Step 3: Cross multiply
    30,353.04x = 45,513.06 × 13,693.56
  4. Step 4: Simplify right side
    30,353.04x = 623,235,817.89
  5. Step 5: Solve for x
    x = 623,235,817.89/30,353.04
  6. Step 6: Final answer
    x = 20,532.90

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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.