Home / 30,363.82-45,538.38-15,565.12

Finding the Fourth Proportional to 30,363.82, 45,538.38 and 15,565.12

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Solution

The fourth proportional to 30,363.82, 45,538.38 and 15,565.12 is: 23,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.82 : 45,538.38 = 15,565.12 : x
  2. Step 2: Convert to fraction form
    30,363.82/45,538.38 = 15,565.12/x
  3. Step 3: Cross multiply
    30,363.82x = 45,538.38 × 15,565.12
  4. Step 4: Simplify right side
    30,363.82x = 708,810,349.31
  5. Step 5: Solve for x
    x = 708,810,349.31/30,363.82
  6. Step 6: Final answer
    x = 23,343.91

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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.