Home / 30,149.16-41,567.61-21,545.62

Finding the Fourth Proportional to 30,149.16, 41,567.61 and 21,545.62

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Solution

The fourth proportional to 30,149.16, 41,567.61 and 21,545.62 is: 29,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.16 : 41,567.61 = 21,545.62 : x
  2. Step 2: Convert to fraction form
    30,149.16/41,567.61 = 21,545.62/x
  3. Step 3: Cross multiply
    30,149.16x = 41,567.61 × 21,545.62
  4. Step 4: Simplify right side
    30,149.16x = 895,600,041.06
  5. Step 5: Solve for x
    x = 895,600,041.06/30,149.16
  6. Step 6: Final answer
    x = 29,705.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.