Home / 20,545.08-30,668.98-18,053.94

Finding the Fourth Proportional to 20,545.08, 30,668.98 and 18,053.94

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Solution

The fourth proportional to 20,545.08, 30,668.98 and 18,053.94 is: 26,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.08 : 30,668.98 = 18,053.94 : x
  2. Step 2: Convert to fraction form
    20,545.08/30,668.98 = 18,053.94/x
  3. Step 3: Cross multiply
    20,545.08x = 30,668.98 × 18,053.94
  4. Step 4: Simplify right side
    20,545.08x = 553,695,924.78
  5. Step 5: Solve for x
    x = 553,695,924.78/20,545.08
  6. Step 6: Final answer
    x = 26,950.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.