Home / 55,830.75-77,082.08-38,828.85

Finding the Fourth Proportional to 55,830.75, 77,082.08 and 38,828.85

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Solution

The fourth proportional to 55,830.75, 77,082.08 and 38,828.85 is: 53,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.75 : 77,082.08 = 38,828.85 : x
  2. Step 2: Convert to fraction form
    55,830.75/77,082.08 = 38,828.85/x
  3. Step 3: Cross multiply
    55,830.75x = 77,082.08 × 38,828.85
  4. Step 4: Simplify right side
    55,830.75x = 2,993,008,327.86
  5. Step 5: Solve for x
    x = 2,993,008,327.86/55,830.75
  6. Step 6: Final answer
    x = 53,608.60

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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.