Home / 30,499.84-45,752.73-9,439.03

Finding the Fourth Proportional to 30,499.84, 45,752.73 and 9,439.03

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Solution

The fourth proportional to 30,499.84, 45,752.73 and 9,439.03 is: 14,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499.84 : 45,752.73 = 9,439.03 : x
  2. Step 2: Convert to fraction form
    30,499.84/45,752.73 = 9,439.03/x
  3. Step 3: Cross multiply
    30,499.84x = 45,752.73 × 9,439.03
  4. Step 4: Simplify right side
    30,499.84x = 431,861,391.05
  5. Step 5: Solve for x
    x = 431,861,391.05/30,499.84
  6. Step 6: Final answer
    x = 14,159.46

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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.