Home / 30,480.60-45,724.14-9,699.24

Finding the Fourth Proportional to 30,480.60, 45,724.14 and 9,699.24

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Solution

The fourth proportional to 30,480.60, 45,724.14 and 9,699.24 is: 14,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.60 : 45,724.14 = 9,699.24 : x
  2. Step 2: Convert to fraction form
    30,480.60/45,724.14 = 9,699.24/x
  3. Step 3: Cross multiply
    30,480.60x = 45,724.14 × 9,699.24
  4. Step 4: Simplify right side
    30,480.60x = 443,489,407.65
  5. Step 5: Solve for x
    x = 443,489,407.65/30,480.60
  6. Step 6: Final answer
    x = 14,549.89

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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.