Home / 60,665.37-90,998.30-18,545.30

Finding the Fourth Proportional to 60,665.37, 90,998.30 and 18,545.30

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Solution

The fourth proportional to 60,665.37, 90,998.30 and 18,545.30 is: 27,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,665.37 : 90,998.30 = 18,545.30 : x
  2. Step 2: Convert to fraction form
    60,665.37/90,998.30 = 18,545.30/x
  3. Step 3: Cross multiply
    60,665.37x = 90,998.30 × 18,545.30
  4. Step 4: Simplify right side
    60,665.37x = 1,687,590,225.27
  5. Step 5: Solve for x
    x = 1,687,590,225.27/60,665.37
  6. Step 6: Final answer
    x = 27,818.02

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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.