Home / 30,545.24-45,774.66-12,997.40

Finding the Fourth Proportional to 30,545.24, 45,774.66 and 12,997.40

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Solution

The fourth proportional to 30,545.24, 45,774.66 and 12,997.40 is: 19,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.24 : 45,774.66 = 12,997.40 : x
  2. Step 2: Convert to fraction form
    30,545.24/45,774.66 = 12,997.40/x
  3. Step 3: Cross multiply
    30,545.24x = 45,774.66 × 12,997.40
  4. Step 4: Simplify right side
    30,545.24x = 594,951,565.88
  5. Step 5: Solve for x
    x = 594,951,565.88/30,545.24
  6. Step 6: Final answer
    x = 19,477.72

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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.