Home / 30,329.78-41,854.52-16,900.74

Finding the Fourth Proportional to 30,329.78, 41,854.52 and 16,900.74

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Solution

The fourth proportional to 30,329.78, 41,854.52 and 16,900.74 is: 23,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.78 : 41,854.52 = 16,900.74 : x
  2. Step 2: Convert to fraction form
    30,329.78/41,854.52 = 16,900.74/x
  3. Step 3: Cross multiply
    30,329.78x = 41,854.52 × 16,900.74
  4. Step 4: Simplify right side
    30,329.78x = 707,372,275.84
  5. Step 5: Solve for x
    x = 707,372,275.84/30,329.78
  6. Step 6: Final answer
    x = 23,322.70

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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.