Home / 35,355.74-53,030.84-20,555.22

Finding the Fourth Proportional to 35,355.74, 53,030.84 and 20,555.22

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Solution

The fourth proportional to 35,355.74, 53,030.84 and 20,555.22 is: 30,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,355.74 : 53,030.84 = 20,555.22 : x
  2. Step 2: Convert to fraction form
    35,355.74/53,030.84 = 20,555.22/x
  3. Step 3: Cross multiply
    35,355.74x = 53,030.84 × 20,555.22
  4. Step 4: Simplify right side
    35,355.74x = 1,090,060,582.98
  5. Step 5: Solve for x
    x = 1,090,060,582.98/35,355.74
  6. Step 6: Final answer
    x = 30,831.22

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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.