Home / 55,317.09-76,338.50-30,166.59

Finding the Fourth Proportional to 55,317.09, 76,338.50 and 30,166.59

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Solution

The fourth proportional to 55,317.09, 76,338.50 and 30,166.59 is: 41,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317.09 : 76,338.50 = 30,166.59 : x
  2. Step 2: Convert to fraction form
    55,317.09/76,338.50 = 30,166.59/x
  3. Step 3: Cross multiply
    55,317.09x = 76,338.50 × 30,166.59
  4. Step 4: Simplify right side
    55,317.09x = 2,302,872,535.84
  5. Step 5: Solve for x
    x = 2,302,872,535.84/55,317.09
  6. Step 6: Final answer
    x = 41,630.40

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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.