Home / 55,840.58-77,060.25-30,691.70

Finding the Fourth Proportional to 55,840.58, 77,060.25 and 30,691.70

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Solution

The fourth proportional to 55,840.58, 77,060.25 and 30,691.70 is: 42,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840.58 : 77,060.25 = 30,691.70 : x
  2. Step 2: Convert to fraction form
    55,840.58/77,060.25 = 30,691.70/x
  3. Step 3: Cross multiply
    55,840.58x = 77,060.25 × 30,691.70
  4. Step 4: Simplify right side
    55,840.58x = 2,365,110,074.93
  5. Step 5: Solve for x
    x = 2,365,110,074.93/55,840.58
  6. Step 6: Final answer
    x = 42,354.68

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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.