Home / 30,230.03-45,345.15-10,508.75

Finding the Fourth Proportional to 30,230.03, 45,345.15 and 10,508.75

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Solution

The fourth proportional to 30,230.03, 45,345.15 and 10,508.75 is: 15,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.03 : 45,345.15 = 10,508.75 : x
  2. Step 2: Convert to fraction form
    30,230.03/45,345.15 = 10,508.75/x
  3. Step 3: Cross multiply
    30,230.03x = 45,345.15 × 10,508.75
  4. Step 4: Simplify right side
    30,230.03x = 476,520,845.06
  5. Step 5: Solve for x
    x = 476,520,845.06/30,230.03
  6. Step 6: Final answer
    x = 15,763.16

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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.