Home / 74,879.42-112,222.18-30,454.58

Finding the Fourth Proportional to 74,879.42, 112,222.18 and 30,454.58

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Solution

The fourth proportional to 74,879.42, 112,222.18 and 30,454.58 is: 45,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879.42 : 112,222.18 = 30,454.58 : x
  2. Step 2: Convert to fraction form
    74,879.42/112,222.18 = 30,454.58/x
  3. Step 3: Cross multiply
    74,879.42x = 112,222.18 × 30,454.58
  4. Step 4: Simplify right side
    74,879.42x = 3,417,679,358.58
  5. Step 5: Solve for x
    x = 3,417,679,358.58/74,879.42
  6. Step 6: Final answer
    x = 45,642.44

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1.5x scale

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.