Home / 55,030.77-75,942.05-29,880.45

Finding the Fourth Proportional to 55,030.77, 75,942.05 and 29,880.45

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Solution

The fourth proportional to 55,030.77, 75,942.05 and 29,880.45 is: 41,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.77 : 75,942.05 = 29,880.45 : x
  2. Step 2: Convert to fraction form
    55,030.77/75,942.05 = 29,880.45/x
  3. Step 3: Cross multiply
    55,030.77x = 75,942.05 × 29,880.45
  4. Step 4: Simplify right side
    55,030.77x = 2,269,182,478.52
  5. Step 5: Solve for x
    x = 2,269,182,478.52/55,030.77
  6. Step 6: Final answer
    x = 41,234.79

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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.