Home / 55,816.11-77,025.68-30,665.07

Finding the Fourth Proportional to 55,816.11, 77,025.68 and 30,665.07

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Solution

The fourth proportional to 55,816.11, 77,025.68 and 30,665.07 is: 42,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,816.11 : 77,025.68 = 30,665.07 : x
  2. Step 2: Convert to fraction form
    55,816.11/77,025.68 = 30,665.07/x
  3. Step 3: Cross multiply
    55,816.11x = 77,025.68 × 30,665.07
  4. Step 4: Simplify right side
    55,816.11x = 2,361,997,715.67
  5. Step 5: Solve for x
    x = 2,361,997,715.67/55,816.11
  6. Step 6: Final answer
    x = 42,317.49

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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.