Home / 40,545.48-55,979.09-36,289.16

Finding the Fourth Proportional to 40,545.48, 55,979.09 and 36,289.16

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Solution

The fourth proportional to 40,545.48, 55,979.09 and 36,289.16 is: 50,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,545.48 : 55,979.09 = 36,289.16 : x
  2. Step 2: Convert to fraction form
    40,545.48/55,979.09 = 36,289.16/x
  3. Step 3: Cross multiply
    40,545.48x = 55,979.09 × 36,289.16
  4. Step 4: Simplify right side
    40,545.48x = 2,031,433,922.99
  5. Step 5: Solve for x
    x = 2,031,433,922.99/40,545.48
  6. Step 6: Final answer
    x = 50,102.60

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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.