Home / 30,647.32-45,943.62-13,108.12

Finding the Fourth Proportional to 30,647.32, 45,943.62 and 13,108.12

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Solution

The fourth proportional to 30,647.32, 45,943.62 and 13,108.12 is: 19,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.32 : 45,943.62 = 13,108.12 : x
  2. Step 2: Convert to fraction form
    30,647.32/45,943.62 = 13,108.12/x
  3. Step 3: Cross multiply
    30,647.32x = 45,943.62 × 13,108.12
  4. Step 4: Simplify right side
    30,647.32x = 602,234,484.19
  5. Step 5: Solve for x
    x = 602,234,484.19/30,647.32
  6. Step 6: Final answer
    x = 19,650.48

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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.