Home / 35,545.68-53,350.83-18,919.62

Finding the Fourth Proportional to 35,545.68, 53,350.83 and 18,919.62

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Solution

The fourth proportional to 35,545.68, 53,350.83 and 18,919.62 is: 28,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.68 : 53,350.83 = 18,919.62 : x
  2. Step 2: Convert to fraction form
    35,545.68/53,350.83 = 18,919.62/x
  3. Step 3: Cross multiply
    35,545.68x = 53,350.83 × 18,919.62
  4. Step 4: Simplify right side
    35,545.68x = 1,009,377,430.28
  5. Step 5: Solve for x
    x = 1,009,377,430.28/35,545.68
  6. Step 6: Final answer
    x = 28,396.63

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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.