Home / 30,287.04-45,435.24-9,505.68

Finding the Fourth Proportional to 30,287.04, 45,435.24 and 9,505.68

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Solution

The fourth proportional to 30,287.04, 45,435.24 and 9,505.68 is: 14,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.04 : 45,435.24 = 9,505.68 : x
  2. Step 2: Convert to fraction form
    30,287.04/45,435.24 = 9,505.68/x
  3. Step 3: Cross multiply
    30,287.04x = 45,435.24 × 9,505.68
  4. Step 4: Simplify right side
    30,287.04x = 431,892,852.16
  5. Step 5: Solve for x
    x = 431,892,852.16/30,287.04
  6. Step 6: Final answer
    x = 14,259.99

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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.