Home / 35,005.32-52,508.16-12,820.32

Finding the Fourth Proportional to 35,005.32, 52,508.16 and 12,820.32

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Solution

The fourth proportional to 35,005.32, 52,508.16 and 12,820.32 is: 19,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,005.32 : 52,508.16 = 12,820.32 : x
  2. Step 2: Convert to fraction form
    35,005.32/52,508.16 = 12,820.32/x
  3. Step 3: Cross multiply
    35,005.32x = 52,508.16 × 12,820.32
  4. Step 4: Simplify right side
    35,005.32x = 673,171,413.81
  5. Step 5: Solve for x
    x = 673,171,413.81/35,005.32
  6. Step 6: Final answer
    x = 19,230.55

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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.